Home / 7,429.59-10,254.20-5,070.87

Finding the Fourth Proportional to 7,429.59, 10,254.20 and 5,070.87

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Solution

The fourth proportional to 7,429.59, 10,254.20 and 5,070.87 is: 6,998.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.59 : 10,254.20 = 5,070.87 : x
  2. Step 2: Convert to fraction form
    7,429.59/10,254.20 = 5,070.87/x
  3. Step 3: Cross multiply
    7,429.59x = 10,254.20 × 5,070.87
  4. Step 4: Simplify right side
    7,429.59x = 51,997,689.80
  5. Step 5: Solve for x
    x = 51,997,689.80/7,429.59
  6. Step 6: Final answer
    x = 6,998.73

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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.