Home / 9,114.30-13,671.45-5,219.10

Finding the Fourth Proportional to 9,114.30, 13,671.45 and 5,219.10

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Solution

The fourth proportional to 9,114.30, 13,671.45 and 5,219.10 is: 7,828.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,114.30 : 13,671.45 = 5,219.10 : x
  2. Step 2: Convert to fraction form
    9,114.30/13,671.45 = 5,219.10/x
  3. Step 3: Cross multiply
    9,114.30x = 13,671.45 × 5,219.10
  4. Step 4: Simplify right side
    9,114.30x = 71,352,664.70
  5. Step 5: Solve for x
    x = 71,352,664.70/9,114.30
  6. Step 6: Final answer
    x = 7,828.65

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Similar ratio
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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.