Home / 7,908.18-10,913.31-4,371.32

Finding the Fourth Proportional to 7,908.18, 10,913.31 and 4,371.32

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Solution

The fourth proportional to 7,908.18, 10,913.31 and 4,371.32 is: 6,032.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.18 : 10,913.31 = 4,371.32 : x
  2. Step 2: Convert to fraction form
    7,908.18/10,913.31 = 4,371.32/x
  3. Step 3: Cross multiply
    7,908.18x = 10,913.31 × 4,371.32
  4. Step 4: Simplify right side
    7,908.18x = 47,705,515.70
  5. Step 5: Solve for x
    x = 47,705,515.70/7,908.18
  6. Step 6: Final answer
    x = 6,032.43

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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.