Home / 8,646.32-12,970.68-2,801.04

Finding the Fourth Proportional to 8,646.32, 12,970.68 and 2,801.04

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Solution

The fourth proportional to 8,646.32, 12,970.68 and 2,801.04 is: 4,201.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,646.32 : 12,970.68 = 2,801.04 : x
  2. Step 2: Convert to fraction form
    8,646.32/12,970.68 = 2,801.04/x
  3. Step 3: Cross multiply
    8,646.32x = 12,970.68 × 2,801.04
  4. Step 4: Simplify right side
    8,646.32x = 36,331,393.51
  5. Step 5: Solve for x
    x = 36,331,393.51/8,646.32
  6. Step 6: Final answer
    x = 4,201.95

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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.