Home / 7,439.05-10,267.59-4,456.63

Finding the Fourth Proportional to 7,439.05, 10,267.59 and 4,456.63

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Solution

The fourth proportional to 7,439.05, 10,267.59 and 4,456.63 is: 6,151.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.05 : 10,267.59 = 4,456.63 : x
  2. Step 2: Convert to fraction form
    7,439.05/10,267.59 = 4,456.63/x
  3. Step 3: Cross multiply
    7,439.05x = 10,267.59 × 4,456.63
  4. Step 4: Simplify right side
    7,439.05x = 45,758,849.62
  5. Step 5: Solve for x
    x = 45,758,849.62/7,439.05
  6. Step 6: Final answer
    x = 6,151.17

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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.