Home / 6,278.93-8,664.28-3,627.19

Finding the Fourth Proportional to 6,278.93, 8,664.28 and 3,627.19

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Solution

The fourth proportional to 6,278.93, 8,664.28 and 3,627.19 is: 5,005.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.93 : 8,664.28 = 3,627.19 : x
  2. Step 2: Convert to fraction form
    6,278.93/8,664.28 = 3,627.19/x
  3. Step 3: Cross multiply
    6,278.93x = 8,664.28 × 3,627.19
  4. Step 4: Simplify right side
    6,278.93x = 31,426,989.77
  5. Step 5: Solve for x
    x = 31,426,989.77/6,278.93
  6. Step 6: Final answer
    x = 5,005.15

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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.