Home / 8,210.07-11,320.89-5,552.87

Finding the Fourth Proportional to 8,210.07, 11,320.89 and 5,552.87

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Solution

The fourth proportional to 8,210.07, 11,320.89 and 5,552.87 is: 7,656.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.07 : 11,320.89 = 5,552.87 : x
  2. Step 2: Convert to fraction form
    8,210.07/11,320.89 = 5,552.87/x
  3. Step 3: Cross multiply
    8,210.07x = 11,320.89 × 5,552.87
  4. Step 4: Simplify right side
    8,210.07x = 62,863,430.45
  5. Step 5: Solve for x
    x = 62,863,430.45/8,210.07
  6. Step 6: Final answer
    x = 7,656.87

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Half scale
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Double scale
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Similar ratio
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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.