Home / 4,773.60-7,140.15-4,283.55

Finding the Fourth Proportional to 4,773.60, 7,140.15 and 4,283.55

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Solution

The fourth proportional to 4,773.60, 7,140.15 and 4,283.55 is: 6,407.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,773.60 : 7,140.15 = 4,283.55 : x
  2. Step 2: Convert to fraction form
    4,773.60/7,140.15 = 4,283.55/x
  3. Step 3: Cross multiply
    4,773.60x = 7,140.15 × 4,283.55
  4. Step 4: Simplify right side
    4,773.60x = 30,585,189.53
  5. Step 5: Solve for x
    x = 30,585,189.53/4,773.60
  6. Step 6: Final answer
    x = 6,407.15

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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.