Home / 8,403.31-12,602.03-2,478.62

Finding the Fourth Proportional to 8,403.31, 12,602.03 and 2,478.62

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Solution

The fourth proportional to 8,403.31, 12,602.03 and 2,478.62 is: 3,717.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403.31 : 12,602.03 = 2,478.62 : x
  2. Step 2: Convert to fraction form
    8,403.31/12,602.03 = 2,478.62/x
  3. Step 3: Cross multiply
    8,403.31x = 12,602.03 × 2,478.62
  4. Step 4: Simplify right side
    8,403.31x = 31,235,662.71
  5. Step 5: Solve for x
    x = 31,235,662.71/8,403.31
  6. Step 6: Final answer
    x = 3,717.07

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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.