Home / 8,423.48-12,635.25-2,580.07

Finding the Fourth Proportional to 8,423.48, 12,635.25 and 2,580.07

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Solution

The fourth proportional to 8,423.48, 12,635.25 and 2,580.07 is: 3,870.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.48 : 12,635.25 = 2,580.07 : x
  2. Step 2: Convert to fraction form
    8,423.48/12,635.25 = 2,580.07/x
  3. Step 3: Cross multiply
    8,423.48x = 12,635.25 × 2,580.07
  4. Step 4: Simplify right side
    8,423.48x = 32,599,829.47
  5. Step 5: Solve for x
    x = 32,599,829.47/8,423.48
  6. Step 6: Final answer
    x = 3,870.11

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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.