Home / 8,812.53-13,215.45-2,888.01

Finding the Fourth Proportional to 8,812.53, 13,215.45 and 2,888.01

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Solution

The fourth proportional to 8,812.53, 13,215.45 and 2,888.01 is: 4,330.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.53 : 13,215.45 = 2,888.01 : x
  2. Step 2: Convert to fraction form
    8,812.53/13,215.45 = 2,888.01/x
  3. Step 3: Cross multiply
    8,812.53x = 13,215.45 × 2,888.01
  4. Step 4: Simplify right side
    8,812.53x = 38,166,351.75
  5. Step 5: Solve for x
    x = 38,166,351.75/8,812.53
  6. Step 6: Final answer
    x = 4,330.92

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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.