Home / 6,280.19-8,666.77-3,447.83

Finding the Fourth Proportional to 6,280.19, 8,666.77 and 3,447.83

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Solution

The fourth proportional to 6,280.19, 8,666.77 and 3,447.83 is: 4,758.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.19 : 8,666.77 = 3,447.83 : x
  2. Step 2: Convert to fraction form
    6,280.19/8,666.77 = 3,447.83/x
  3. Step 3: Cross multiply
    6,280.19x = 8,666.77 × 3,447.83
  4. Step 4: Simplify right side
    6,280.19x = 29,881,489.04
  5. Step 5: Solve for x
    x = 29,881,489.04/6,280.19
  6. Step 6: Final answer
    x = 4,758.06

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Half 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.