Home / 8,560.63-12,842.35-2,718.64

Finding the Fourth Proportional to 8,560.63, 12,842.35 and 2,718.64

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Solution

The fourth proportional to 8,560.63, 12,842.35 and 2,718.64 is: 4,078.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.63 : 12,842.35 = 2,718.64 : x
  2. Step 2: Convert to fraction form
    8,560.63/12,842.35 = 2,718.64/x
  3. Step 3: Cross multiply
    8,560.63x = 12,842.35 × 2,718.64
  4. Step 4: Simplify right side
    8,560.63x = 34,913,726.40
  5. Step 5: Solve for x
    x = 34,913,726.40/8,560.63
  6. Step 6: Final answer
    x = 4,078.41

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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.