Home / 6,258.89-8,637.48-3,900.57

Finding the Fourth Proportional to 6,258.89, 8,637.48 and 3,900.57

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Solution

The fourth proportional to 6,258.89, 8,637.48 and 3,900.57 is: 5,382.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,258.89 : 8,637.48 = 3,900.57 : x
  2. Step 2: Convert to fraction form
    6,258.89/8,637.48 = 3,900.57/x
  3. Step 3: Cross multiply
    6,258.89x = 8,637.48 × 3,900.57
  4. Step 4: Simplify right side
    6,258.89x = 33,691,095.36
  5. Step 5: Solve for x
    x = 33,691,095.36/6,258.89
  6. Step 6: Final answer
    x = 5,382.92

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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.