Home / 5,553.59-7,663.28-3,162.69

Finding the Fourth Proportional to 5,553.59, 7,663.28 and 3,162.69

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Solution

The fourth proportional to 5,553.59, 7,663.28 and 3,162.69 is: 4,364.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.59 : 7,663.28 = 3,162.69 : x
  2. Step 2: Convert to fraction form
    5,553.59/7,663.28 = 3,162.69/x
  3. Step 3: Cross multiply
    5,553.59x = 7,663.28 × 3,162.69
  4. Step 4: Simplify right side
    5,553.59x = 24,236,563.21
  5. Step 5: Solve for x
    x = 24,236,563.21/5,553.59
  6. Step 6: Final answer
    x = 4,364.13

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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.