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Finding the Fourth Proportional to 6,508.15, 8,975.81 and 4,268.30

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Solution

The fourth proportional to 6,508.15, 8,975.81 and 4,268.30 is: 5,886.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,508.15 : 8,975.81 = 4,268.30 : x
  2. Step 2: Convert to fraction form
    6,508.15/8,975.81 = 4,268.30/x
  3. Step 3: Cross multiply
    6,508.15x = 8,975.81 × 4,268.30
  4. Step 4: Simplify right side
    6,508.15x = 38,311,415.61
  5. Step 5: Solve for x
    x = 38,311,415.61/6,508.15
  6. Step 6: Final answer
    x = 5,886.69

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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.