Home / 8,291.43-12,430.93-5,003.75

Finding the Fourth Proportional to 8,291.43, 12,430.93 and 5,003.75

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Solution

The fourth proportional to 8,291.43, 12,430.93 and 5,003.75 is: 7,501.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291.43 : 12,430.93 = 5,003.75 : x
  2. Step 2: Convert to fraction form
    8,291.43/12,430.93 = 5,003.75/x
  3. Step 3: Cross multiply
    8,291.43x = 12,430.93 × 5,003.75
  4. Step 4: Simplify right side
    8,291.43x = 62,201,265.99
  5. Step 5: Solve for x
    x = 62,201,265.99/8,291.43
  6. Step 6: Final answer
    x = 7,501.87

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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.