Home / 8,748.93-13,125.43-2,905.53

Finding the Fourth Proportional to 8,748.93, 13,125.43 and 2,905.53

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Solution

The fourth proportional to 8,748.93, 13,125.43 and 2,905.53 is: 4,358.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.93 : 13,125.43 = 2,905.53 : x
  2. Step 2: Convert to fraction form
    8,748.93/13,125.43 = 2,905.53/x
  3. Step 3: Cross multiply
    8,748.93x = 13,125.43 × 2,905.53
  4. Step 4: Simplify right side
    8,748.93x = 38,136,334.26
  5. Step 5: Solve for x
    x = 38,136,334.26/8,748.93
  6. Step 6: Final answer
    x = 4,358.97

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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.