Home / 8,587.88-11,856.76-6,701.40

Finding the Fourth Proportional to 8,587.88, 11,856.76 and 6,701.40

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Solution

The fourth proportional to 8,587.88, 11,856.76 and 6,701.40 is: 9,252.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.88 : 11,856.76 = 6,701.40 : x
  2. Step 2: Convert to fraction form
    8,587.88/11,856.76 = 6,701.40/x
  3. Step 3: Cross multiply
    8,587.88x = 11,856.76 × 6,701.40
  4. Step 4: Simplify right side
    8,587.88x = 79,456,891.46
  5. Step 5: Solve for x
    x = 79,456,891.46/8,587.88
  6. Step 6: Final answer
    x = 9,252.21

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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.