Home / 7,118.31-10,677.64-2,438.29

Finding the Fourth Proportional to 7,118.31, 10,677.64 and 2,438.29

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Solution

The fourth proportional to 7,118.31, 10,677.64 and 2,438.29 is: 3,657.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118.31 : 10,677.64 = 2,438.29 : x
  2. Step 2: Convert to fraction form
    7,118.31/10,677.64 = 2,438.29/x
  3. Step 3: Cross multiply
    7,118.31x = 10,677.64 × 2,438.29
  4. Step 4: Simplify right side
    7,118.31x = 26,035,205.54
  5. Step 5: Solve for x
    x = 26,035,205.54/7,118.31
  6. Step 6: Final answer
    x = 3,657.50

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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.