Home / 6,233.60-9,328.80-5,715.20

Finding the Fourth Proportional to 6,233.60, 9,328.80 and 5,715.20

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Solution

The fourth proportional to 6,233.60, 9,328.80 and 5,715.20 is: 8,553.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,233.60 : 9,328.80 = 5,715.20 : x
  2. Step 2: Convert to fraction form
    6,233.60/9,328.80 = 5,715.20/x
  3. Step 3: Cross multiply
    6,233.60x = 9,328.80 × 5,715.20
  4. Step 4: Simplify right side
    6,233.60x = 53,315,957.76
  5. Step 5: Solve for x
    x = 53,315,957.76/6,233.60
  6. Step 6: Final answer
    x = 8,553.00

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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.