Home / 5,337.65-8,009.37-2,219.81

Finding the Fourth Proportional to 5,337.65, 8,009.37 and 2,219.81

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Solution

The fourth proportional to 5,337.65, 8,009.37 and 2,219.81 is: 3,330.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,337.65 : 8,009.37 = 2,219.81 : x
  2. Step 2: Convert to fraction form
    5,337.65/8,009.37 = 2,219.81/x
  3. Step 3: Cross multiply
    5,337.65x = 8,009.37 × 2,219.81
  4. Step 4: Simplify right side
    5,337.65x = 17,779,239.57
  5. Step 5: Solve for x
    x = 17,779,239.57/5,337.65
  6. Step 6: Final answer
    x = 3,330.91

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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.