Home / 4,258.47-5,876.65-2,489.74

Finding the Fourth Proportional to 4,258.47, 5,876.65 and 2,489.74

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Solution

The fourth proportional to 4,258.47, 5,876.65 and 2,489.74 is: 3,435.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.47 : 5,876.65 = 2,489.74 : x
  2. Step 2: Convert to fraction form
    4,258.47/5,876.65 = 2,489.74/x
  3. Step 3: Cross multiply
    4,258.47x = 5,876.65 × 2,489.74
  4. Step 4: Simplify right side
    4,258.47x = 14,631,330.57
  5. Step 5: Solve for x
    x = 14,631,330.57/4,258.47
  6. Step 6: Final answer
    x = 3,435.82

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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.