Home / 9,069.84-13,598.28-3,872.88

Finding the Fourth Proportional to 9,069.84, 13,598.28 and 3,872.88

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Solution

The fourth proportional to 9,069.84, 13,598.28 and 3,872.88 is: 5,806.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,069.84 : 13,598.28 = 3,872.88 : x
  2. Step 2: Convert to fraction form
    9,069.84/13,598.28 = 3,872.88/x
  3. Step 3: Cross multiply
    9,069.84x = 13,598.28 × 3,872.88
  4. Step 4: Simplify right side
    9,069.84x = 52,664,506.65
  5. Step 5: Solve for x
    x = 52,664,506.65/9,069.84
  6. Step 6: Final answer
    x = 5,806.55

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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.