Home / 5,917.12-8,864.24-3,140.03

Finding the Fourth Proportional to 5,917.12, 8,864.24 and 3,140.03

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Solution

The fourth proportional to 5,917.12, 8,864.24 and 3,140.03 is: 4,703.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.12 : 8,864.24 = 3,140.03 : x
  2. Step 2: Convert to fraction form
    5,917.12/8,864.24 = 3,140.03/x
  3. Step 3: Cross multiply
    5,917.12x = 8,864.24 × 3,140.03
  4. Step 4: Simplify right side
    5,917.12x = 27,833,985.99
  5. Step 5: Solve for x
    x = 27,833,985.99/5,917.12
  6. Step 6: Final answer
    x = 4,703.98

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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.