Home / 8,735.90-13,106.59-5,619.43

Finding the Fourth Proportional to 8,735.90, 13,106.59 and 5,619.43

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Solution

The fourth proportional to 8,735.90, 13,106.59 and 5,619.43 is: 8,430.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735.90 : 13,106.59 = 5,619.43 : x
  2. Step 2: Convert to fraction form
    8,735.90/13,106.59 = 5,619.43/x
  3. Step 3: Cross multiply
    8,735.90x = 13,106.59 × 5,619.43
  4. Step 4: Simplify right side
    8,735.90x = 73,651,565.04
  5. Step 5: Solve for x
    x = 73,651,565.04/8,735.90
  6. Step 6: Final answer
    x = 8,430.91

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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.