Home / 9,271.64-12,794.84-5,079.90

Finding the Fourth Proportional to 9,271.64, 12,794.84 and 5,079.90

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Solution

The fourth proportional to 9,271.64, 12,794.84 and 5,079.90 is: 7,010.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,271.64 : 12,794.84 = 5,079.90 : x
  2. Step 2: Convert to fraction form
    9,271.64/12,794.84 = 5,079.90/x
  3. Step 3: Cross multiply
    9,271.64x = 12,794.84 × 5,079.90
  4. Step 4: Simplify right side
    9,271.64x = 64,996,507.72
  5. Step 5: Solve for x
    x = 64,996,507.72/9,271.64
  6. Step 6: Final answer
    x = 7,010.25

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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.