Home / 7,409.52-10,228.85-5,727.12

Finding the Fourth Proportional to 7,409.52, 10,228.85 and 5,727.12

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Solution

The fourth proportional to 7,409.52, 10,228.85 and 5,727.12 is: 7,906.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.52 : 10,228.85 = 5,727.12 : x
  2. Step 2: Convert to fraction form
    7,409.52/10,228.85 = 5,727.12/x
  3. Step 3: Cross multiply
    7,409.52x = 10,228.85 × 5,727.12
  4. Step 4: Simplify right side
    7,409.52x = 58,581,822.78
  5. Step 5: Solve for x
    x = 58,581,822.78/7,409.52
  6. Step 6: Final answer
    x = 7,906.30

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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.