Home / 8,083.89-11,155.73-4,547.03

Finding the Fourth Proportional to 8,083.89, 11,155.73 and 4,547.03

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Solution

The fourth proportional to 8,083.89, 11,155.73 and 4,547.03 is: 6,274.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083.89 : 11,155.73 = 4,547.03 : x
  2. Step 2: Convert to fraction form
    8,083.89/11,155.73 = 4,547.03/x
  3. Step 3: Cross multiply
    8,083.89x = 11,155.73 × 4,547.03
  4. Step 4: Simplify right side
    8,083.89x = 50,725,360.47
  5. Step 5: Solve for x
    x = 50,725,360.47/8,083.89
  6. Step 6: Final answer
    x = 6,274.87

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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.