Home / 9,115.65-13,675.35-3,492.93

Finding the Fourth Proportional to 9,115.65, 13,675.35 and 3,492.93

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Solution

The fourth proportional to 9,115.65, 13,675.35 and 3,492.93 is: 5,240.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.65 : 13,675.35 = 3,492.93 : x
  2. Step 2: Convert to fraction form
    9,115.65/13,675.35 = 3,492.93/x
  3. Step 3: Cross multiply
    9,115.65x = 13,675.35 × 3,492.93
  4. Step 4: Simplify right side
    9,115.65x = 47,767,040.28
  5. Step 5: Solve for x
    x = 47,767,040.28/9,115.65
  6. Step 6: Final answer
    x = 5,240.11

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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.