Home / 7,503.60-11,255.40-2,308.80

Finding the Fourth Proportional to 7,503.60, 11,255.40 and 2,308.80

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Solution

The fourth proportional to 7,503.60, 11,255.40 and 2,308.80 is: 3,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,503.60 : 11,255.40 = 2,308.80 : x
  2. Step 2: Convert to fraction form
    7,503.60/11,255.40 = 2,308.80/x
  3. Step 3: Cross multiply
    7,503.60x = 11,255.40 × 2,308.80
  4. Step 4: Simplify right side
    7,503.60x = 25,986,467.52
  5. Step 5: Solve for x
    x = 25,986,467.52/7,503.60
  6. Step 6: Final answer
    x = 3,463.20

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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.