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Finding the Fourth Proportional to 6,340.79, 8,750.07 and 3,508.11

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Solution

The fourth proportional to 6,340.79, 8,750.07 and 3,508.11 is: 4,841.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,340.79 : 8,750.07 = 3,508.11 : x
  2. Step 2: Convert to fraction form
    6,340.79/8,750.07 = 3,508.11/x
  3. Step 3: Cross multiply
    6,340.79x = 8,750.07 × 3,508.11
  4. Step 4: Simplify right side
    6,340.79x = 30,696,208.07
  5. Step 5: Solve for x
    x = 30,696,208.07/6,340.79
  6. Step 6: Final answer
    x = 4,841.07

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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.