Home / 5,555.64-7,647.30-5,030.76

Finding the Fourth Proportional to 5,555.64, 7,647.30 and 5,030.76

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Solution

The fourth proportional to 5,555.64, 7,647.30 and 5,030.76 is: 6,924.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.64 : 7,647.30 = 5,030.76 : x
  2. Step 2: Convert to fraction form
    5,555.64/7,647.30 = 5,030.76/x
  3. Step 3: Cross multiply
    5,555.64x = 7,647.30 × 5,030.76
  4. Step 4: Simplify right side
    5,555.64x = 38,471,730.95
  5. Step 5: Solve for x
    x = 38,471,730.95/5,555.64
  6. Step 6: Final answer
    x = 6,924.81

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.