Home / 4,777.92-7,168.08-1,658.16

Finding the Fourth Proportional to 4,777.92, 7,168.08 and 1,658.16

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Solution

The fourth proportional to 4,777.92, 7,168.08 and 1,658.16 is: 2,487.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.92 : 7,168.08 = 1,658.16 : x
  2. Step 2: Convert to fraction form
    4,777.92/7,168.08 = 1,658.16/x
  3. Step 3: Cross multiply
    4,777.92x = 7,168.08 × 1,658.16
  4. Step 4: Simplify right side
    4,777.92x = 11,885,823.53
  5. Step 5: Solve for x
    x = 11,885,823.53/4,777.92
  6. Step 6: Final answer
    x = 2,487.66

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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.