Home / 5,445.11-7,515.36-3,557.00

Finding the Fourth Proportional to 5,445.11, 7,515.36 and 3,557.00

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Solution

The fourth proportional to 5,445.11, 7,515.36 and 3,557.00 is: 4,909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.11 : 7,515.36 = 3,557.00 : x
  2. Step 2: Convert to fraction form
    5,445.11/7,515.36 = 3,557.00/x
  3. Step 3: Cross multiply
    5,445.11x = 7,515.36 × 3,557.00
  4. Step 4: Simplify right side
    5,445.11x = 26,732,154.31
  5. Step 5: Solve for x
    x = 26,732,154.31/5,445.11
  6. Step 6: Final answer
    x = 4,909.39

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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.