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Finding the Fourth Proportional to 8,570.58, 12,856.95 and 2,727.24

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Solution

The fourth proportional to 8,570.58, 12,856.95 and 2,727.24 is: 4,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,570.58 : 12,856.95 = 2,727.24 : x
  2. Step 2: Convert to fraction form
    8,570.58/12,856.95 = 2,727.24/x
  3. Step 3: Cross multiply
    8,570.58x = 12,856.95 × 2,727.24
  4. Step 4: Simplify right side
    8,570.58x = 35,063,988.32
  5. Step 5: Solve for x
    x = 35,063,988.32/8,570.58
  6. Step 6: Final answer
    x = 4,091.20

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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.