Home / 9,111.44-12,541.64-6,589.46

Finding the Fourth Proportional to 9,111.44, 12,541.64 and 6,589.46

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Solution

The fourth proportional to 9,111.44, 12,541.64 and 6,589.46 is: 9,070.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,111.44 : 12,541.64 = 6,589.46 : x
  2. Step 2: Convert to fraction form
    9,111.44/12,541.64 = 6,589.46/x
  3. Step 3: Cross multiply
    9,111.44x = 12,541.64 × 6,589.46
  4. Step 4: Simplify right side
    9,111.44x = 82,642,635.11
  5. Step 5: Solve for x
    x = 82,642,635.11/9,111.44
  6. Step 6: Final answer
    x = 9,070.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.