Home / 5,085.55-7,658.80-4,475.92

Finding the Fourth Proportional to 5,085.55, 7,658.80 and 4,475.92

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Solution

The fourth proportional to 5,085.55, 7,658.80 and 4,475.92 is: 6,740.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.55 : 7,658.80 = 4,475.92 : x
  2. Step 2: Convert to fraction form
    5,085.55/7,658.80 = 4,475.92/x
  3. Step 3: Cross multiply
    5,085.55x = 7,658.80 × 4,475.92
  4. Step 4: Simplify right side
    5,085.55x = 34,280,176.10
  5. Step 5: Solve for x
    x = 34,280,176.10/5,085.55
  6. Step 6: Final answer
    x = 6,740.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.