Home / 6,078.10-9,117.15-2,181.10

Finding the Fourth Proportional to 6,078.10, 9,117.15 and 2,181.10

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Solution

The fourth proportional to 6,078.10, 9,117.15 and 2,181.10 is: 3,271.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.10 : 9,117.15 = 2,181.10 : x
  2. Step 2: Convert to fraction form
    6,078.10/9,117.15 = 2,181.10/x
  3. Step 3: Cross multiply
    6,078.10x = 9,117.15 × 2,181.10
  4. Step 4: Simplify right side
    6,078.10x = 19,885,415.87
  5. Step 5: Solve for x
    x = 19,885,415.87/6,078.10
  6. Step 6: Final answer
    x = 3,271.65

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Half scale
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Double scale
Find fourth proportional to 6,079.10, 9,118.65 and 2,182.10
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.