Home / 5,909.28-8,155.16-3,256.68

Finding the Fourth Proportional to 5,909.28, 8,155.16 and 3,256.68

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Solution

The fourth proportional to 5,909.28, 8,155.16 and 3,256.68 is: 4,494.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.28 : 8,155.16 = 3,256.68 : x
  2. Step 2: Convert to fraction form
    5,909.28/8,155.16 = 3,256.68/x
  3. Step 3: Cross multiply
    5,909.28x = 8,155.16 × 3,256.68
  4. Step 4: Simplify right side
    5,909.28x = 26,558,746.47
  5. Step 5: Solve for x
    x = 26,558,746.47/5,909.28
  6. Step 6: Final answer
    x = 4,494.42

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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.