Home / 6,437.76-9,653.36-2,972

Finding the Fourth Proportional to 6,437.76, 9,653.36 and 2,972

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Solution

The fourth proportional to 6,437.76, 9,653.36 and 2,972 is: 4,456.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,437.76 : 9,653.36 = 2,972 : x
  2. Step 2: Convert to fraction form
    6,437.76/9,653.36 = 2,972/x
  3. Step 3: Cross multiply
    6,437.76x = 9,653.36 × 2,972
  4. Step 4: Simplify right side
    6,437.76x = 28,689,785.92
  5. Step 5: Solve for x
    x = 28,689,785.92/6,437.76
  6. Step 6: Final answer
    x = 4,456.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.