Home / 8,703.40-13,057.07-2,860.06

Finding the Fourth Proportional to 8,703.40, 13,057.07 and 2,860.06

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Solution

The fourth proportional to 8,703.40, 13,057.07 and 2,860.06 is: 4,290.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.40 : 13,057.07 = 2,860.06 : x
  2. Step 2: Convert to fraction form
    8,703.40/13,057.07 = 2,860.06/x
  3. Step 3: Cross multiply
    8,703.40x = 13,057.07 × 2,860.06
  4. Step 4: Simplify right side
    8,703.40x = 37,343,970.98
  5. Step 5: Solve for x
    x = 37,343,970.98/8,703.40
  6. Step 6: Final answer
    x = 4,290.73

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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.