Home / 10,272.22-15,409.28-4,727.10

Finding the Fourth Proportional to 10,272.22, 15,409.28 and 4,727.10

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Solution

The fourth proportional to 10,272.22, 15,409.28 and 4,727.10 is: 7,091.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.22 : 15,409.28 = 4,727.10 : x
  2. Step 2: Convert to fraction form
    10,272.22/15,409.28 = 4,727.10/x
  3. Step 3: Cross multiply
    10,272.22x = 15,409.28 × 4,727.10
  4. Step 4: Simplify right side
    10,272.22x = 72,841,207.49
  5. Step 5: Solve for x
    x = 72,841,207.49/10,272.22
  6. Step 6: Final answer
    x = 7,091.09

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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.