Home / 5,259.86-7,258.35-3,020.15

Finding the Fourth Proportional to 5,259.86, 7,258.35 and 3,020.15

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Solution

The fourth proportional to 5,259.86, 7,258.35 and 3,020.15 is: 4,167.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.86 : 7,258.35 = 3,020.15 : x
  2. Step 2: Convert to fraction form
    5,259.86/7,258.35 = 3,020.15/x
  3. Step 3: Cross multiply
    5,259.86x = 7,258.35 × 3,020.15
  4. Step 4: Simplify right side
    5,259.86x = 21,921,269.46
  5. Step 5: Solve for x
    x = 21,921,269.46/5,259.86
  6. Step 6: Final answer
    x = 4,167.66

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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.