Home / 9,272.90-12,796.47-5,294.07

Finding the Fourth Proportional to 9,272.90, 12,796.47 and 5,294.07

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Solution

The fourth proportional to 9,272.90, 12,796.47 and 5,294.07 is: 7,305.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,272.90 : 12,796.47 = 5,294.07 : x
  2. Step 2: Convert to fraction form
    9,272.90/12,796.47 = 5,294.07/x
  3. Step 3: Cross multiply
    9,272.90x = 12,796.47 × 5,294.07
  4. Step 4: Simplify right side
    9,272.90x = 67,745,407.93
  5. Step 5: Solve for x
    x = 67,745,407.93/9,272.90
  6. Step 6: Final answer
    x = 7,305.75

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1.5x scale

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.