Home / 6,278.24-9,411.37-2,116.10

Finding the Fourth Proportional to 6,278.24, 9,411.37 and 2,116.10

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Solution

The fourth proportional to 6,278.24, 9,411.37 and 2,116.10 is: 3,172.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.24 : 9,411.37 = 2,116.10 : x
  2. Step 2: Convert to fraction form
    6,278.24/9,411.37 = 2,116.10/x
  3. Step 3: Cross multiply
    6,278.24x = 9,411.37 × 2,116.10
  4. Step 4: Simplify right side
    6,278.24x = 19,915,342.42
  5. Step 5: Solve for x
    x = 19,915,342.42/6,278.24
  6. Step 6: Final answer
    x = 3,172.12

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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.