Home / 8,905.42-13,355.52-3,354.76

Finding the Fourth Proportional to 8,905.42, 13,355.52 and 3,354.76

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Solution

The fourth proportional to 8,905.42, 13,355.52 and 3,354.76 is: 5,031.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.42 : 13,355.52 = 3,354.76 : x
  2. Step 2: Convert to fraction form
    8,905.42/13,355.52 = 3,354.76/x
  3. Step 3: Cross multiply
    8,905.42x = 13,355.52 × 3,354.76
  4. Step 4: Simplify right side
    8,905.42x = 44,804,564.28
  5. Step 5: Solve for x
    x = 44,804,564.28/8,905.42
  6. Step 6: Final answer
    x = 5,031.16

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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.