Home / 7,146.24-9,859.68-4,349.76

Finding the Fourth Proportional to 7,146.24, 9,859.68 and 4,349.76

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Solution

The fourth proportional to 7,146.24, 9,859.68 and 4,349.76 is: 6,001.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146.24 : 9,859.68 = 4,349.76 : x
  2. Step 2: Convert to fraction form
    7,146.24/9,859.68 = 4,349.76/x
  3. Step 3: Cross multiply
    7,146.24x = 9,859.68 × 4,349.76
  4. Step 4: Simplify right side
    7,146.24x = 42,887,241.68
  5. Step 5: Solve for x
    x = 42,887,241.68/7,146.24
  6. Step 6: Final answer
    x = 6,001.37

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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.