Home / 9,078.79-13,619.02-3,532.55

Finding the Fourth Proportional to 9,078.79, 13,619.02 and 3,532.55

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Solution

The fourth proportional to 9,078.79, 13,619.02 and 3,532.55 is: 5,299.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.79 : 13,619.02 = 3,532.55 : x
  2. Step 2: Convert to fraction form
    9,078.79/13,619.02 = 3,532.55/x
  3. Step 3: Cross multiply
    9,078.79x = 13,619.02 × 3,532.55
  4. Step 4: Simplify right side
    9,078.79x = 48,109,869.10
  5. Step 5: Solve for x
    x = 48,109,869.10/9,078.79
  6. Step 6: Final answer
    x = 5,299.15

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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.