Home / 8,558.59-12,839.61-4,176.13

Finding the Fourth Proportional to 8,558.59, 12,839.61 and 4,176.13

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Solution

The fourth proportional to 8,558.59, 12,839.61 and 4,176.13 is: 6,265.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.59 : 12,839.61 = 4,176.13 : x
  2. Step 2: Convert to fraction form
    8,558.59/12,839.61 = 4,176.13/x
  3. Step 3: Cross multiply
    8,558.59x = 12,839.61 × 4,176.13
  4. Step 4: Simplify right side
    8,558.59x = 53,619,880.51
  5. Step 5: Solve for x
    x = 53,619,880.51/8,558.59
  6. Step 6: Final answer
    x = 6,265.04

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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.