Home / 5,487.12-7,573.08-3,392.40

Finding the Fourth Proportional to 5,487.12, 7,573.08 and 3,392.40

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Solution

The fourth proportional to 5,487.12, 7,573.08 and 3,392.40 is: 4,682.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.12 : 7,573.08 = 3,392.40 : x
  2. Step 2: Convert to fraction form
    5,487.12/7,573.08 = 3,392.40/x
  3. Step 3: Cross multiply
    5,487.12x = 7,573.08 × 3,392.40
  4. Step 4: Simplify right side
    5,487.12x = 25,690,916.59
  5. Step 5: Solve for x
    x = 25,690,916.59/5,487.12
  6. Step 6: Final answer
    x = 4,682.04

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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.