Home / 8,955.84-13,433.86-2,715.88

Finding the Fourth Proportional to 8,955.84, 13,433.86 and 2,715.88

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Solution

The fourth proportional to 8,955.84, 13,433.86 and 2,715.88 is: 4,073.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.84 : 13,433.86 = 2,715.88 : x
  2. Step 2: Convert to fraction form
    8,955.84/13,433.86 = 2,715.88/x
  3. Step 3: Cross multiply
    8,955.84x = 13,433.86 × 2,715.88
  4. Step 4: Simplify right side
    8,955.84x = 36,484,751.70
  5. Step 5: Solve for x
    x = 36,484,751.70/8,955.84
  6. Step 6: Final answer
    x = 4,073.85

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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.