Home / 8,320.30-11,482.18-4,543.62

Finding the Fourth Proportional to 8,320.30, 11,482.18 and 4,543.62

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Solution

The fourth proportional to 8,320.30, 11,482.18 and 4,543.62 is: 6,270.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.30 : 11,482.18 = 4,543.62 : x
  2. Step 2: Convert to fraction form
    8,320.30/11,482.18 = 4,543.62/x
  3. Step 3: Cross multiply
    8,320.30x = 11,482.18 × 4,543.62
  4. Step 4: Simplify right side
    8,320.30x = 52,170,608.27
  5. Step 5: Solve for x
    x = 52,170,608.27/8,320.30
  6. Step 6: Final answer
    x = 6,270.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.