Home / 8,610.07-11,888.90-7,016.95

Finding the Fourth Proportional to 8,610.07, 11,888.90 and 7,016.95

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Solution

The fourth proportional to 8,610.07, 11,888.90 and 7,016.95 is: 9,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,610.07 : 11,888.90 = 7,016.95 : x
  2. Step 2: Convert to fraction form
    8,610.07/11,888.90 = 7,016.95/x
  3. Step 3: Cross multiply
    8,610.07x = 11,888.90 × 7,016.95
  4. Step 4: Simplify right side
    8,610.07x = 83,423,816.86
  5. Step 5: Solve for x
    x = 83,423,816.86/8,610.07
  6. Step 6: Final answer
    x = 9,689.10

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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.