Home / 8,675.20-13,012.80-2,832.16

Finding the Fourth Proportional to 8,675.20, 13,012.80 and 2,832.16

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Solution

The fourth proportional to 8,675.20, 13,012.80 and 2,832.16 is: 4,248.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.20 : 13,012.80 = 2,832.16 : x
  2. Step 2: Convert to fraction form
    8,675.20/13,012.80 = 2,832.16/x
  3. Step 3: Cross multiply
    8,675.20x = 13,012.80 × 2,832.16
  4. Step 4: Simplify right side
    8,675.20x = 36,854,331.65
  5. Step 5: Solve for x
    x = 36,854,331.65/8,675.20
  6. Step 6: Final answer
    x = 4,248.24

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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.