Home / 9,129.04-12,597.76-5,150

Finding the Fourth Proportional to 9,129.04, 12,597.76 and 5,150

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Solution

The fourth proportional to 9,129.04, 12,597.76 and 5,150 is: 7,106.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.04 : 12,597.76 = 5,150 : x
  2. Step 2: Convert to fraction form
    9,129.04/12,597.76 = 5,150/x
  3. Step 3: Cross multiply
    9,129.04x = 12,597.76 × 5,150
  4. Step 4: Simplify right side
    9,129.04x = 64,878,464
  5. Step 5: Solve for x
    x = 64,878,464/9,129.04
  6. Step 6: Final answer
    x = 7,106.82

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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.