Home / 9,845.76-13,587.14-5,654

Finding the Fourth Proportional to 9,845.76, 13,587.14 and 5,654

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Solution

The fourth proportional to 9,845.76, 13,587.14 and 5,654 is: 7,802.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,845.76 : 13,587.14 = 5,654 : x
  2. Step 2: Convert to fraction form
    9,845.76/13,587.14 = 5,654/x
  3. Step 3: Cross multiply
    9,845.76x = 13,587.14 × 5,654
  4. Step 4: Simplify right side
    9,845.76x = 76,821,689.56
  5. Step 5: Solve for x
    x = 76,821,689.56/9,845.76
  6. Step 6: Final answer
    x = 7,802.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.