Home / 5,445.10-8,177.55-4,764.70

Finding the Fourth Proportional to 5,445.10, 8,177.55 and 4,764.70

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Solution

The fourth proportional to 5,445.10, 8,177.55 and 4,764.70 is: 7,155.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.10 : 8,177.55 = 4,764.70 : x
  2. Step 2: Convert to fraction form
    5,445.10/8,177.55 = 4,764.70/x
  3. Step 3: Cross multiply
    5,445.10x = 8,177.55 × 4,764.70
  4. Step 4: Simplify right side
    5,445.10x = 38,963,572.49
  5. Step 5: Solve for x
    x = 38,963,572.49/5,445.10
  6. Step 6: Final answer
    x = 7,155.71

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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.