Home / 9,275.18-12,799-5,241.80

Finding the Fourth Proportional to 9,275.18, 12,799 and 5,241.80

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Solution

The fourth proportional to 9,275.18, 12,799 and 5,241.80 is: 7,233.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,275.18 : 12,799 = 5,241.80 : x
  2. Step 2: Convert to fraction form
    9,275.18/12,799 = 5,241.80/x
  3. Step 3: Cross multiply
    9,275.18x = 12,799 × 5,241.80
  4. Step 4: Simplify right side
    9,275.18x = 67,089,798.20
  5. Step 5: Solve for x
    x = 67,089,798.20/9,275.18
  6. Step 6: Final answer
    x = 7,233.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.