Home / 5,663.12-7,814.07-3,424.68

Finding the Fourth Proportional to 5,663.12, 7,814.07 and 3,424.68

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Solution

The fourth proportional to 5,663.12, 7,814.07 and 3,424.68 is: 4,725.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,663.12 : 7,814.07 = 3,424.68 : x
  2. Step 2: Convert to fraction form
    5,663.12/7,814.07 = 3,424.68/x
  3. Step 3: Cross multiply
    5,663.12x = 7,814.07 × 3,424.68
  4. Step 4: Simplify right side
    5,663.12x = 26,760,689.25
  5. Step 5: Solve for x
    x = 26,760,689.25/5,663.12
  6. Step 6: Final answer
    x = 4,725.44

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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.