Home / 5,377.16-7,422.90-5,167.64

Finding the Fourth Proportional to 5,377.16, 7,422.90 and 5,167.64

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Solution

The fourth proportional to 5,377.16, 7,422.90 and 5,167.64 is: 7,133.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.16 : 7,422.90 = 5,167.64 : x
  2. Step 2: Convert to fraction form
    5,377.16/7,422.90 = 5,167.64/x
  3. Step 3: Cross multiply
    5,377.16x = 7,422.90 × 5,167.64
  4. Step 4: Simplify right side
    5,377.16x = 38,358,874.96
  5. Step 5: Solve for x
    x = 38,358,874.96/5,377.16
  6. Step 6: Final answer
    x = 7,133.67

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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.