Home / 9,272-12,795.48-5,080.40

Finding the Fourth Proportional to 9,272, 12,795.48 and 5,080.40

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Solution

The fourth proportional to 9,272, 12,795.48 and 5,080.40 is: 7,011.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,272 : 12,795.48 = 5,080.40 : x
  2. Step 2: Convert to fraction form
    9,272/12,795.48 = 5,080.40/x
  3. Step 3: Cross multiply
    9,272x = 12,795.48 × 5,080.40
  4. Step 4: Simplify right side
    9,272x = 65,006,156.59
  5. Step 5: Solve for x
    x = 65,006,156.59/9,272
  6. Step 6: Final answer
    x = 7,011.02

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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.