Home / 8,320.69-11,482.54-4,543.89

Finding the Fourth Proportional to 8,320.69, 11,482.54 and 4,543.89

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Solution

The fourth proportional to 8,320.69, 11,482.54 and 4,543.89 is: 6,270.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.69 : 11,482.54 = 4,543.89 : x
  2. Step 2: Convert to fraction form
    8,320.69/11,482.54 = 4,543.89/x
  3. Step 3: Cross multiply
    8,320.69x = 11,482.54 × 4,543.89
  4. Step 4: Simplify right side
    8,320.69x = 52,175,398.68
  5. Step 5: Solve for x
    x = 52,175,398.68/8,320.69
  6. Step 6: Final answer
    x = 6,270.56

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Half scale
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Double scale
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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.