Home / 7,660.53-10,572.68-4,678.08

Finding the Fourth Proportional to 7,660.53, 10,572.68 and 4,678.08

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Solution

The fourth proportional to 7,660.53, 10,572.68 and 4,678.08 is: 6,456.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660.53 : 10,572.68 = 4,678.08 : x
  2. Step 2: Convert to fraction form
    7,660.53/10,572.68 = 4,678.08/x
  3. Step 3: Cross multiply
    7,660.53x = 10,572.68 × 4,678.08
  4. Step 4: Simplify right side
    7,660.53x = 49,459,819.46
  5. Step 5: Solve for x
    x = 49,459,819.46/7,660.53
  6. Step 6: Final answer
    x = 6,456.45

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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.