Home / 8,734.71-13,102.75-2,891.32

Finding the Fourth Proportional to 8,734.71, 13,102.75 and 2,891.32

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Solution

The fourth proportional to 8,734.71, 13,102.75 and 2,891.32 is: 4,337.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734.71 : 13,102.75 = 2,891.32 : x
  2. Step 2: Convert to fraction form
    8,734.71/13,102.75 = 2,891.32/x
  3. Step 3: Cross multiply
    8,734.71x = 13,102.75 × 2,891.32
  4. Step 4: Simplify right side
    8,734.71x = 37,884,246.77
  5. Step 5: Solve for x
    x = 37,884,246.77/8,734.71
  6. Step 6: Final answer
    x = 4,337.21

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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.