Home / 8,661.88-13,013.61-5,547.93

Finding the Fourth Proportional to 8,661.88, 13,013.61 and 5,547.93

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Solution

The fourth proportional to 8,661.88, 13,013.61 and 5,547.93 is: 8,335.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,661.88 : 13,013.61 = 5,547.93 : x
  2. Step 2: Convert to fraction form
    8,661.88/13,013.61 = 5,547.93/x
  3. Step 3: Cross multiply
    8,661.88x = 13,013.61 × 5,547.93
  4. Step 4: Simplify right side
    8,661.88x = 72,198,597.33
  5. Step 5: Solve for x
    x = 72,198,597.33/8,661.88
  6. Step 6: Final answer
    x = 8,335.21

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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.