Home / 9,250.18-12,765.36-5,271.37

Finding the Fourth Proportional to 9,250.18, 12,765.36 and 5,271.37

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Solution

The fourth proportional to 9,250.18, 12,765.36 and 5,271.37 is: 7,274.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,250.18 : 12,765.36 = 5,271.37 : x
  2. Step 2: Convert to fraction form
    9,250.18/12,765.36 = 5,271.37/x
  3. Step 3: Cross multiply
    9,250.18x = 12,765.36 × 5,271.37
  4. Step 4: Simplify right side
    9,250.18x = 67,290,935.74
  5. Step 5: Solve for x
    x = 67,290,935.74/9,250.18
  6. Step 6: Final answer
    x = 7,274.55

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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.