Home / 9,479.79-13,082.75-5,500.89

Finding the Fourth Proportional to 9,479.79, 13,082.75 and 5,500.89

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Solution

The fourth proportional to 9,479.79, 13,082.75 and 5,500.89 is: 7,591.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.79 : 13,082.75 = 5,500.89 : x
  2. Step 2: Convert to fraction form
    9,479.79/13,082.75 = 5,500.89/x
  3. Step 3: Cross multiply
    9,479.79x = 13,082.75 × 5,500.89
  4. Step 4: Simplify right side
    9,479.79x = 71,966,741.14
  5. Step 5: Solve for x
    x = 71,966,741.14/9,479.79
  6. Step 6: Final answer
    x = 7,591.60

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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.