Home / 9,258.23-12,776.38-5,279.24

Finding the Fourth Proportional to 9,258.23, 12,776.38 and 5,279.24

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Solution

The fourth proportional to 9,258.23, 12,776.38 and 5,279.24 is: 7,285.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,258.23 : 12,776.38 = 5,279.24 : x
  2. Step 2: Convert to fraction form
    9,258.23/12,776.38 = 5,279.24/x
  3. Step 3: Cross multiply
    9,258.23x = 12,776.38 × 5,279.24
  4. Step 4: Simplify right side
    9,258.23x = 67,449,595.09
  5. Step 5: Solve for x
    x = 67,449,595.09/9,258.23
  6. Step 6: Final answer
    x = 7,285.36

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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.