Home / 8,904.61-13,353.27-3,970.87

Finding the Fourth Proportional to 8,904.61, 13,353.27 and 3,970.87

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Solution

The fourth proportional to 8,904.61, 13,353.27 and 3,970.87 is: 5,954.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.61 : 13,353.27 = 3,970.87 : x
  2. Step 2: Convert to fraction form
    8,904.61/13,353.27 = 3,970.87/x
  3. Step 3: Cross multiply
    8,904.61x = 13,353.27 × 3,970.87
  4. Step 4: Simplify right side
    8,904.61x = 53,024,099.24
  5. Step 5: Solve for x
    x = 53,024,099.24/8,904.61
  6. Step 6: Final answer
    x = 5,954.68

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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.