Home / 4,445.60-6,134.88-2,557.20

Finding the Fourth Proportional to 4,445.60, 6,134.88 and 2,557.20

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Solution

The fourth proportional to 4,445.60, 6,134.88 and 2,557.20 is: 3,528.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445.60 : 6,134.88 = 2,557.20 : x
  2. Step 2: Convert to fraction form
    4,445.60/6,134.88 = 2,557.20/x
  3. Step 3: Cross multiply
    4,445.60x = 6,134.88 × 2,557.20
  4. Step 4: Simplify right side
    4,445.60x = 15,688,115.14
  5. Step 5: Solve for x
    x = 15,688,115.14/4,445.60
  6. Step 6: Final answer
    x = 3,528.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.