Home / 7,459.12-10,290.61-4,270.69

Finding the Fourth Proportional to 7,459.12, 10,290.61 and 4,270.69

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Solution

The fourth proportional to 7,459.12, 10,290.61 and 4,270.69 is: 5,891.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.12 : 10,290.61 = 4,270.69 : x
  2. Step 2: Convert to fraction form
    7,459.12/10,290.61 = 4,270.69/x
  3. Step 3: Cross multiply
    7,459.12x = 10,290.61 × 4,270.69
  4. Step 4: Simplify right side
    7,459.12x = 43,948,023.42
  5. Step 5: Solve for x
    x = 43,948,023.42/7,459.12
  6. Step 6: Final answer
    x = 5,891.85

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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.