Home / 6,385.81-9,575.63-2,225.72

Finding the Fourth Proportional to 6,385.81, 9,575.63 and 2,225.72

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Solution

The fourth proportional to 6,385.81, 9,575.63 and 2,225.72 is: 3,337.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385.81 : 9,575.63 = 2,225.72 : x
  2. Step 2: Convert to fraction form
    6,385.81/9,575.63 = 2,225.72/x
  3. Step 3: Cross multiply
    6,385.81x = 9,575.63 × 2,225.72
  4. Step 4: Simplify right side
    6,385.81x = 21,312,671.20
  5. Step 5: Solve for x
    x = 21,312,671.20/6,385.81
  6. Step 6: Final answer
    x = 3,337.50

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Half scale
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Double scale
Find fourth proportional to 6,386.81, 9,577.13 and 2,226.72
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.