Home / 8,482.32-12,707.28-5,554.80

Finding the Fourth Proportional to 8,482.32, 12,707.28 and 5,554.80

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Solution

The fourth proportional to 8,482.32, 12,707.28 and 5,554.80 is: 8,321.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,482.32 : 12,707.28 = 5,554.80 : x
  2. Step 2: Convert to fraction form
    8,482.32/12,707.28 = 5,554.80/x
  3. Step 3: Cross multiply
    8,482.32x = 12,707.28 × 5,554.80
  4. Step 4: Simplify right side
    8,482.32x = 70,586,398.94
  5. Step 5: Solve for x
    x = 70,586,398.94/8,482.32
  6. Step 6: Final answer
    x = 8,321.59

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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.