Home / 8,528.30-11,769.17-4,700.39

Finding the Fourth Proportional to 8,528.30, 11,769.17 and 4,700.39

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Solution

The fourth proportional to 8,528.30, 11,769.17 and 4,700.39 is: 6,486.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.30 : 11,769.17 = 4,700.39 : x
  2. Step 2: Convert to fraction form
    8,528.30/11,769.17 = 4,700.39/x
  3. Step 3: Cross multiply
    8,528.30x = 11,769.17 × 4,700.39
  4. Step 4: Simplify right side
    8,528.30x = 55,319,688.98
  5. Step 5: Solve for x
    x = 55,319,688.98/8,528.30
  6. Step 6: Final answer
    x = 6,486.60

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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.