Home / 5,440.47-8,154.92-3,459.86

Finding the Fourth Proportional to 5,440.47, 8,154.92 and 3,459.86

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Solution

The fourth proportional to 5,440.47, 8,154.92 and 3,459.86 is: 5,186.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.47 : 8,154.92 = 3,459.86 : x
  2. Step 2: Convert to fraction form
    5,440.47/8,154.92 = 3,459.86/x
  3. Step 3: Cross multiply
    5,440.47x = 8,154.92 × 3,459.86
  4. Step 4: Simplify right side
    5,440.47x = 28,214,881.51
  5. Step 5: Solve for x
    x = 28,214,881.51/5,440.47
  6. Step 6: Final answer
    x = 5,186.11

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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.