Home / 7,628.18-11,438.31-2,697.10

Finding the Fourth Proportional to 7,628.18, 11,438.31 and 2,697.10

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Solution

The fourth proportional to 7,628.18, 11,438.31 and 2,697.10 is: 4,044.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.18 : 11,438.31 = 2,697.10 : x
  2. Step 2: Convert to fraction form
    7,628.18/11,438.31 = 2,697.10/x
  3. Step 3: Cross multiply
    7,628.18x = 11,438.31 × 2,697.10
  4. Step 4: Simplify right side
    7,628.18x = 30,850,247.42
  5. Step 5: Solve for x
    x = 30,850,247.42/7,628.18
  6. Step 6: Final answer
    x = 4,044.25

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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.