Home / 9,323.81-13,981.38-3,478.85

Finding the Fourth Proportional to 9,323.81, 13,981.38 and 3,478.85

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Solution

The fourth proportional to 9,323.81, 13,981.38 and 3,478.85 is: 5,216.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,323.81 : 13,981.38 = 3,478.85 : x
  2. Step 2: Convert to fraction form
    9,323.81/13,981.38 = 3,478.85/x
  3. Step 3: Cross multiply
    9,323.81x = 13,981.38 × 3,478.85
  4. Step 4: Simplify right side
    9,323.81x = 48,639,053.91
  5. Step 5: Solve for x
    x = 48,639,053.91/9,323.81
  6. Step 6: Final answer
    x = 5,216.65

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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.