Home / 5,259.60-7,890.72-1,973.04

Finding the Fourth Proportional to 5,259.60, 7,890.72 and 1,973.04

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Solution

The fourth proportional to 5,259.60, 7,890.72 and 1,973.04 is: 2,960.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.60 : 7,890.72 = 1,973.04 : x
  2. Step 2: Convert to fraction form
    5,259.60/7,890.72 = 1,973.04/x
  3. Step 3: Cross multiply
    5,259.60x = 7,890.72 × 1,973.04
  4. Step 4: Simplify right side
    5,259.60x = 15,568,706.19
  5. Step 5: Solve for x
    x = 15,568,706.19/5,259.60
  6. Step 6: Final answer
    x = 2,960.06

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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.