Home / 8,751.34-13,117.56-4,312.09

Finding the Fourth Proportional to 8,751.34, 13,117.56 and 4,312.09

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Solution

The fourth proportional to 8,751.34, 13,117.56 and 4,312.09 is: 6,463.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751.34 : 13,117.56 = 4,312.09 : x
  2. Step 2: Convert to fraction form
    8,751.34/13,117.56 = 4,312.09/x
  3. Step 3: Cross multiply
    8,751.34x = 13,117.56 × 4,312.09
  4. Step 4: Simplify right side
    8,751.34x = 56,564,099.30
  5. Step 5: Solve for x
    x = 56,564,099.30/8,751.34
  6. Step 6: Final answer
    x = 6,463.48

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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.