Home / 8,891.10-12,268.26-5,537.70

Finding the Fourth Proportional to 8,891.10, 12,268.26 and 5,537.70

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Solution

The fourth proportional to 8,891.10, 12,268.26 and 5,537.70 is: 7,641.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.10 : 12,268.26 = 5,537.70 : x
  2. Step 2: Convert to fraction form
    8,891.10/12,268.26 = 5,537.70/x
  3. Step 3: Cross multiply
    8,891.10x = 12,268.26 × 5,537.70
  4. Step 4: Simplify right side
    8,891.10x = 67,937,943.40
  5. Step 5: Solve for x
    x = 67,937,943.40/8,891.10
  6. Step 6: Final answer
    x = 7,641.12

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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.