Home / 5,334.65-8,001.67-1,438.75

Finding the Fourth Proportional to 5,334.65, 8,001.67 and 1,438.75

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Solution

The fourth proportional to 5,334.65, 8,001.67 and 1,438.75 is: 2,158.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,334.65 : 8,001.67 = 1,438.75 : x
  2. Step 2: Convert to fraction form
    5,334.65/8,001.67 = 1,438.75/x
  3. Step 3: Cross multiply
    5,334.65x = 8,001.67 × 1,438.75
  4. Step 4: Simplify right side
    5,334.65x = 11,512,402.71
  5. Step 5: Solve for x
    x = 11,512,402.71/5,334.65
  6. Step 6: Final answer
    x = 2,158.04

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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.