Home / 6,258.94-8,639.02-3,606.78

Finding the Fourth Proportional to 6,258.94, 8,639.02 and 3,606.78

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Solution

The fourth proportional to 6,258.94, 8,639.02 and 3,606.78 is: 4,978.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,258.94 : 8,639.02 = 3,606.78 : x
  2. Step 2: Convert to fraction form
    6,258.94/8,639.02 = 3,606.78/x
  3. Step 3: Cross multiply
    6,258.94x = 8,639.02 × 3,606.78
  4. Step 4: Simplify right side
    6,258.94x = 31,159,044.56
  5. Step 5: Solve for x
    x = 31,159,044.56/6,258.94
  6. Step 6: Final answer
    x = 4,978.33

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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.