Home / 4,445.73-6,135.28-2,557.31

Finding the Fourth Proportional to 4,445.73, 6,135.28 and 2,557.31

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Solution

The fourth proportional to 4,445.73, 6,135.28 and 2,557.31 is: 3,529.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445.73 : 6,135.28 = 2,557.31 : x
  2. Step 2: Convert to fraction form
    4,445.73/6,135.28 = 2,557.31/x
  3. Step 3: Cross multiply
    4,445.73x = 6,135.28 × 2,557.31
  4. Step 4: Simplify right side
    4,445.73x = 15,689,812.90
  5. Step 5: Solve for x
    x = 15,689,812.90/4,445.73
  6. Step 6: Final answer
    x = 3,529.19

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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.