Home / 10,440.57-15,663.15-3,045.60

Finding the Fourth Proportional to 10,440.57, 15,663.15 and 3,045.60

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Solution

The fourth proportional to 10,440.57, 15,663.15 and 3,045.60 is: 4,569.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.57 : 15,663.15 = 3,045.60 : x
  2. Step 2: Convert to fraction form
    10,440.57/15,663.15 = 3,045.60/x
  3. Step 3: Cross multiply
    10,440.57x = 15,663.15 × 3,045.60
  4. Step 4: Simplify right side
    10,440.57x = 47,703,736.41
  5. Step 5: Solve for x
    x = 47,703,736.41/10,440.57
  6. Step 6: Final answer
    x = 4,569.08

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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.