Home / 5,980.32-8,966.84-2,278.61

Finding the Fourth Proportional to 5,980.32, 8,966.84 and 2,278.61

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Solution

The fourth proportional to 5,980.32, 8,966.84 and 2,278.61 is: 3,416.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,980.32 : 8,966.84 = 2,278.61 : x
  2. Step 2: Convert to fraction form
    5,980.32/8,966.84 = 2,278.61/x
  3. Step 3: Cross multiply
    5,980.32x = 8,966.84 × 2,278.61
  4. Step 4: Simplify right side
    5,980.32x = 20,431,875.07
  5. Step 5: Solve for x
    x = 20,431,875.07/5,980.32
  6. Step 6: Final answer
    x = 3,416.52

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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.