Home / 7,627.32-11,438.88-3,681.18

Finding the Fourth Proportional to 7,627.32, 11,438.88 and 3,681.18

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Solution

The fourth proportional to 7,627.32, 11,438.88 and 3,681.18 is: 5,520.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,627.32 : 11,438.88 = 3,681.18 : x
  2. Step 2: Convert to fraction form
    7,627.32/11,438.88 = 3,681.18/x
  3. Step 3: Cross multiply
    7,627.32x = 11,438.88 × 3,681.18
  4. Step 4: Simplify right side
    7,627.32x = 42,108,576.28
  5. Step 5: Solve for x
    x = 42,108,576.28/7,627.32
  6. Step 6: Final answer
    x = 5,520.76

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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.