Home / 5,445.60-8,167.68-2,159.52

Finding the Fourth Proportional to 5,445.60, 8,167.68 and 2,159.52

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Solution

The fourth proportional to 5,445.60, 8,167.68 and 2,159.52 is: 3,238.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.60 : 8,167.68 = 2,159.52 : x
  2. Step 2: Convert to fraction form
    5,445.60/8,167.68 = 2,159.52/x
  3. Step 3: Cross multiply
    5,445.60x = 8,167.68 × 2,159.52
  4. Step 4: Simplify right side
    5,445.60x = 17,638,268.31
  5. Step 5: Solve for x
    x = 17,638,268.31/5,445.60
  6. Step 6: Final answer
    x = 3,238.99

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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.