Home / 7,106.53-10,659.80-2,488.45

Finding the Fourth Proportional to 7,106.53, 10,659.80 and 2,488.45

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Solution

The fourth proportional to 7,106.53, 10,659.80 and 2,488.45 is: 3,732.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.53 : 10,659.80 = 2,488.45 : x
  2. Step 2: Convert to fraction form
    7,106.53/10,659.80 = 2,488.45/x
  3. Step 3: Cross multiply
    7,106.53x = 10,659.80 × 2,488.45
  4. Step 4: Simplify right side
    7,106.53x = 26,526,379.31
  5. Step 5: Solve for x
    x = 26,526,379.31/7,106.53
  6. Step 6: Final answer
    x = 3,732.68

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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.