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Finding the Fourth Proportional to 6,258.79, 8,637.11 and 3,387.51

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Solution

The fourth proportional to 6,258.79, 8,637.11 and 3,387.51 is: 4,674.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,258.79 : 8,637.11 = 3,387.51 : x
  2. Step 2: Convert to fraction form
    6,258.79/8,637.11 = 3,387.51/x
  3. Step 3: Cross multiply
    6,258.79x = 8,637.11 × 3,387.51
  4. Step 4: Simplify right side
    6,258.79x = 29,258,296.50
  5. Step 5: Solve for x
    x = 29,258,296.50/6,258.79
  6. Step 6: Final answer
    x = 4,674.75

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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.