Home / 8,322.73-11,482.59-5,491.51

Finding the Fourth Proportional to 8,322.73, 11,482.59 and 5,491.51

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Solution

The fourth proportional to 8,322.73, 11,482.59 and 5,491.51 is: 7,576.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322.73 : 11,482.59 = 5,491.51 : x
  2. Step 2: Convert to fraction form
    8,322.73/11,482.59 = 5,491.51/x
  3. Step 3: Cross multiply
    8,322.73x = 11,482.59 × 5,491.51
  4. Step 4: Simplify right side
    8,322.73x = 63,056,757.81
  5. Step 5: Solve for x
    x = 63,056,757.81/8,322.73
  6. Step 6: Final answer
    x = 7,576.45

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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.