Home / 6,258.66-8,638.87-3,607.83

Finding the Fourth Proportional to 6,258.66, 8,638.87 and 3,607.83

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Solution

The fourth proportional to 6,258.66, 8,638.87 and 3,607.83 is: 4,979.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,258.66 : 8,638.87 = 3,607.83 : x
  2. Step 2: Convert to fraction form
    6,258.66/8,638.87 = 3,607.83/x
  3. Step 3: Cross multiply
    6,258.66x = 8,638.87 × 3,607.83
  4. Step 4: Simplify right side
    6,258.66x = 31,167,574.35
  5. Step 5: Solve for x
    x = 31,167,574.35/6,258.66
  6. Step 6: Final answer
    x = 4,979.91

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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.