Home / 8,440.02-12,660.48-2,600.64

Finding the Fourth Proportional to 8,440.02, 12,660.48 and 2,600.64

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Solution

The fourth proportional to 8,440.02, 12,660.48 and 2,600.64 is: 3,901.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.02 : 12,660.48 = 2,600.64 : x
  2. Step 2: Convert to fraction form
    8,440.02/12,660.48 = 2,600.64/x
  3. Step 3: Cross multiply
    8,440.02x = 12,660.48 × 2,600.64
  4. Step 4: Simplify right side
    8,440.02x = 32,925,350.71
  5. Step 5: Solve for x
    x = 32,925,350.71/8,440.02
  6. Step 6: Final answer
    x = 3,901.10

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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.