Home / 5,259.03-7,887.56-1,971.42

Finding the Fourth Proportional to 5,259.03, 7,887.56 and 1,971.42

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Solution

The fourth proportional to 5,259.03, 7,887.56 and 1,971.42 is: 2,956.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.03 : 7,887.56 = 1,971.42 : x
  2. Step 2: Convert to fraction form
    5,259.03/7,887.56 = 1,971.42/x
  3. Step 3: Cross multiply
    5,259.03x = 7,887.56 × 1,971.42
  4. Step 4: Simplify right side
    5,259.03x = 15,549,683.68
  5. Step 5: Solve for x
    x = 15,549,683.68/5,259.03
  6. Step 6: Final answer
    x = 2,956.76

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1.5x scale

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.