Home / 9,240.28-12,751.06-5,261.36

Finding the Fourth Proportional to 9,240.28, 12,751.06 and 5,261.36

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Solution

The fourth proportional to 9,240.28, 12,751.06 and 5,261.36 is: 7,260.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.28 : 12,751.06 = 5,261.36 : x
  2. Step 2: Convert to fraction form
    9,240.28/12,751.06 = 5,261.36/x
  3. Step 3: Cross multiply
    9,240.28x = 12,751.06 × 5,261.36
  4. Step 4: Simplify right side
    9,240.28x = 67,087,917.04
  5. Step 5: Solve for x
    x = 67,087,917.04/9,240.28
  6. Step 6: Final answer
    x = 7,260.38

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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.