Home / 4,515.60-6,773.40-4,187.55

Finding the Fourth Proportional to 4,515.60, 6,773.40 and 4,187.55

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Solution

The fourth proportional to 4,515.60, 6,773.40 and 4,187.55 is: 6,281.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.60 : 6,773.40 = 4,187.55 : x
  2. Step 2: Convert to fraction form
    4,515.60/6,773.40 = 4,187.55/x
  3. Step 3: Cross multiply
    4,515.60x = 6,773.40 × 4,187.55
  4. Step 4: Simplify right side
    4,515.60x = 28,363,951.17
  5. Step 5: Solve for x
    x = 28,363,951.17/4,515.60
  6. Step 6: Final answer
    x = 6,281.33

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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.