Home / 7,966.64-11,953.88-5,641.61

Finding the Fourth Proportional to 7,966.64, 11,953.88 and 5,641.61

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Solution

The fourth proportional to 7,966.64, 11,953.88 and 5,641.61 is: 8,465.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.64 : 11,953.88 = 5,641.61 : x
  2. Step 2: Convert to fraction form
    7,966.64/11,953.88 = 5,641.61/x
  3. Step 3: Cross multiply
    7,966.64x = 11,953.88 × 5,641.61
  4. Step 4: Simplify right side
    7,966.64x = 67,439,040.97
  5. Step 5: Solve for x
    x = 67,439,040.97/7,966.64
  6. Step 6: Final answer
    x = 8,465.19

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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.