Home / 9,124.53-13,686.80-3,281.19

Finding the Fourth Proportional to 9,124.53, 13,686.80 and 3,281.19

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Solution

The fourth proportional to 9,124.53, 13,686.80 and 3,281.19 is: 4,921.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.53 : 13,686.80 = 3,281.19 : x
  2. Step 2: Convert to fraction form
    9,124.53/13,686.80 = 3,281.19/x
  3. Step 3: Cross multiply
    9,124.53x = 13,686.80 × 3,281.19
  4. Step 4: Simplify right side
    9,124.53x = 44,908,974.89
  5. Step 5: Solve for x
    x = 44,908,974.89/9,124.53
  6. Step 6: Final answer
    x = 4,921.79

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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.