Home / 8,349.20-11,521.90-4,572.60

Finding the Fourth Proportional to 8,349.20, 11,521.90 and 4,572.60

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Solution

The fourth proportional to 8,349.20, 11,521.90 and 4,572.60 is: 6,310.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.20 : 11,521.90 = 4,572.60 : x
  2. Step 2: Convert to fraction form
    8,349.20/11,521.90 = 4,572.60/x
  3. Step 3: Cross multiply
    8,349.20x = 11,521.90 × 4,572.60
  4. Step 4: Simplify right side
    8,349.20x = 52,685,041.54
  5. Step 5: Solve for x
    x = 52,685,041.54/8,349.20
  6. Step 6: Final answer
    x = 6,310.19

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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.