Home / 8,317.64-11,482.50-5,174.84

Finding the Fourth Proportional to 8,317.64, 11,482.50 and 5,174.84

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Solution

The fourth proportional to 8,317.64, 11,482.50 and 5,174.84 is: 7,143.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.64 : 11,482.50 = 5,174.84 : x
  2. Step 2: Convert to fraction form
    8,317.64/11,482.50 = 5,174.84/x
  3. Step 3: Cross multiply
    8,317.64x = 11,482.50 × 5,174.84
  4. Step 4: Simplify right side
    8,317.64x = 59,420,100.30
  5. Step 5: Solve for x
    x = 59,420,100.30/8,317.64
  6. Step 6: Final answer
    x = 7,143.87

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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.