Home / 7,258.56-10,020.96-4,781.76

Finding the Fourth Proportional to 7,258.56, 10,020.96 and 4,781.76

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Solution

The fourth proportional to 7,258.56, 10,020.96 and 4,781.76 is: 6,601.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258.56 : 10,020.96 = 4,781.76 : x
  2. Step 2: Convert to fraction form
    7,258.56/10,020.96 = 4,781.76/x
  3. Step 3: Cross multiply
    7,258.56x = 10,020.96 × 4,781.76
  4. Step 4: Simplify right side
    7,258.56x = 47,917,825.69
  5. Step 5: Solve for x
    x = 47,917,825.69/7,258.56
  6. Step 6: Final answer
    x = 6,601.56

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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.