Home / 7,398.11-10,209.70-4,254.30

Finding the Fourth Proportional to 7,398.11, 10,209.70 and 4,254.30

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Solution

The fourth proportional to 7,398.11, 10,209.70 and 4,254.30 is: 5,871.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398.11 : 10,209.70 = 4,254.30 : x
  2. Step 2: Convert to fraction form
    7,398.11/10,209.70 = 4,254.30/x
  3. Step 3: Cross multiply
    7,398.11x = 10,209.70 × 4,254.30
  4. Step 4: Simplify right side
    7,398.11x = 43,435,079.91
  5. Step 5: Solve for x
    x = 43,435,079.91/7,398.11
  6. Step 6: Final answer
    x = 5,871.10

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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.