Home / 9,074.08-13,607.61-3,149.20

Finding the Fourth Proportional to 9,074.08, 13,607.61 and 3,149.20

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Solution

The fourth proportional to 9,074.08, 13,607.61 and 3,149.20 is: 4,722.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,074.08 : 13,607.61 = 3,149.20 : x
  2. Step 2: Convert to fraction form
    9,074.08/13,607.61 = 3,149.20/x
  3. Step 3: Cross multiply
    9,074.08x = 13,607.61 × 3,149.20
  4. Step 4: Simplify right side
    9,074.08x = 42,853,085.41
  5. Step 5: Solve for x
    x = 42,853,085.41/9,074.08
  6. Step 6: Final answer
    x = 4,722.58

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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.