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Finding the Fourth Proportional to 4,258.67, 6,389.10 and 1,337.00

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Solution

The fourth proportional to 4,258.67, 6,389.10 and 1,337.00 is: 2,005.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.67 : 6,389.10 = 1,337.00 : x
  2. Step 2: Convert to fraction form
    4,258.67/6,389.10 = 1,337.00/x
  3. Step 3: Cross multiply
    4,258.67x = 6,389.10 × 1,337.00
  4. Step 4: Simplify right side
    4,258.67x = 8,542,194.75
  5. Step 5: Solve for x
    x = 8,542,194.75/4,258.67
  6. Step 6: Final answer
    x = 2,005.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.