Home / 5,929.12-8,886.92-1,979.45

Finding the Fourth Proportional to 5,929.12, 8,886.92 and 1,979.45

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Solution

The fourth proportional to 5,929.12, 8,886.92 and 1,979.45 is: 2,966.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,929.12 : 8,886.92 = 1,979.45 : x
  2. Step 2: Convert to fraction form
    5,929.12/8,886.92 = 1,979.45/x
  3. Step 3: Cross multiply
    5,929.12x = 8,886.92 × 1,979.45
  4. Step 4: Simplify right side
    5,929.12x = 17,591,213.79
  5. Step 5: Solve for x
    x = 17,591,213.79/5,929.12
  6. Step 6: Final answer
    x = 2,966.92

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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.