Home / 7,689.44-11,531.28-6,065.12

Finding the Fourth Proportional to 7,689.44, 11,531.28 and 6,065.12

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Solution

The fourth proportional to 7,689.44, 11,531.28 and 6,065.12 is: 9,095.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689.44 : 11,531.28 = 6,065.12 : x
  2. Step 2: Convert to fraction form
    7,689.44/11,531.28 = 6,065.12/x
  3. Step 3: Cross multiply
    7,689.44x = 11,531.28 × 6,065.12
  4. Step 4: Simplify right side
    7,689.44x = 69,938,596.95
  5. Step 5: Solve for x
    x = 69,938,596.95/7,689.44
  6. Step 6: Final answer
    x = 9,095.41

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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.