Home / 5,663.18-7,814.91-3,145.45

Finding the Fourth Proportional to 5,663.18, 7,814.91 and 3,145.45

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Solution

The fourth proportional to 5,663.18, 7,814.91 and 3,145.45 is: 4,340.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,663.18 : 7,814.91 = 3,145.45 : x
  2. Step 2: Convert to fraction form
    5,663.18/7,814.91 = 3,145.45/x
  3. Step 3: Cross multiply
    5,663.18x = 7,814.91 × 3,145.45
  4. Step 4: Simplify right side
    5,663.18x = 24,581,369.58
  5. Step 5: Solve for x
    x = 24,581,369.58/5,663.18
  6. Step 6: Final answer
    x = 4,340.56

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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.