Home / 9,017.64-12,441.60-5,479.56

Finding the Fourth Proportional to 9,017.64, 12,441.60 and 5,479.56

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Solution

The fourth proportional to 9,017.64, 12,441.60 and 5,479.56 is: 7,560.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,017.64 : 12,441.60 = 5,479.56 : x
  2. Step 2: Convert to fraction form
    9,017.64/12,441.60 = 5,479.56/x
  3. Step 3: Cross multiply
    9,017.64x = 12,441.60 × 5,479.56
  4. Step 4: Simplify right side
    9,017.64x = 68,174,493.70
  5. Step 5: Solve for x
    x = 68,174,493.70/9,017.64
  6. Step 6: Final answer
    x = 7,560.13

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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.