Home / 5,557.85-8,343.30-4,388.64

Finding the Fourth Proportional to 5,557.85, 8,343.30 and 4,388.64

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Solution

The fourth proportional to 5,557.85, 8,343.30 and 4,388.64 is: 6,588.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.85 : 8,343.30 = 4,388.64 : x
  2. Step 2: Convert to fraction form
    5,557.85/8,343.30 = 4,388.64/x
  3. Step 3: Cross multiply
    5,557.85x = 8,343.30 × 4,388.64
  4. Step 4: Simplify right side
    5,557.85x = 36,615,718.17
  5. Step 5: Solve for x
    x = 36,615,718.17/5,557.85
  6. Step 6: Final answer
    x = 6,588.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.