Home / 8,960.34-13,439.00-2,718.86

Finding the Fourth Proportional to 8,960.34, 13,439.00 and 2,718.86

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Solution

The fourth proportional to 8,960.34, 13,439.00 and 2,718.86 is: 4,077.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.34 : 13,439.00 = 2,718.86 : x
  2. Step 2: Convert to fraction form
    8,960.34/13,439.00 = 2,718.86/x
  3. Step 3: Cross multiply
    8,960.34x = 13,439.00 × 2,718.86
  4. Step 4: Simplify right side
    8,960.34x = 36,538,678.75
  5. Step 5: Solve for x
    x = 36,538,678.75/8,960.34
  6. Step 6: Final answer
    x = 4,077.82

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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.