Home / 5,275.24-7,279.06-3,150.28

Finding the Fourth Proportional to 5,275.24, 7,279.06 and 3,150.28

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Solution

The fourth proportional to 5,275.24, 7,279.06 and 3,150.28 is: 4,346.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.24 : 7,279.06 = 3,150.28 : x
  2. Step 2: Convert to fraction form
    5,275.24/7,279.06 = 3,150.28/x
  3. Step 3: Cross multiply
    5,275.24x = 7,279.06 × 3,150.28
  4. Step 4: Simplify right side
    5,275.24x = 22,931,077.14
  5. Step 5: Solve for x
    x = 22,931,077.14/5,275.24
  6. Step 6: Final answer
    x = 4,346.93

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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.