Home / 8,746.01-13,120.30-3,123.24

Finding the Fourth Proportional to 8,746.01, 13,120.30 and 3,123.24

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Solution

The fourth proportional to 8,746.01, 13,120.30 and 3,123.24 is: 4,685.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,746.01 : 13,120.30 = 3,123.24 : x
  2. Step 2: Convert to fraction form
    8,746.01/13,120.30 = 3,123.24/x
  3. Step 3: Cross multiply
    8,746.01x = 13,120.30 × 3,123.24
  4. Step 4: Simplify right side
    8,746.01x = 40,977,764.55
  5. Step 5: Solve for x
    x = 40,977,764.55/8,746.01
  6. Step 6: Final answer
    x = 4,685.31

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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.