Home / 9,240.39-13,864.68-4,856.85

Finding the Fourth Proportional to 9,240.39, 13,864.68 and 4,856.85

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Solution

The fourth proportional to 9,240.39, 13,864.68 and 4,856.85 is: 7,287.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.39 : 13,864.68 = 4,856.85 : x
  2. Step 2: Convert to fraction form
    9,240.39/13,864.68 = 4,856.85/x
  3. Step 3: Cross multiply
    9,240.39x = 13,864.68 × 4,856.85
  4. Step 4: Simplify right side
    9,240.39x = 67,338,671.06
  5. Step 5: Solve for x
    x = 67,338,671.06/9,240.39
  6. Step 6: Final answer
    x = 7,287.43

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1.5x scale

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.