Home / 5,525.74-7,615.92-4,031.20

Finding the Fourth Proportional to 5,525.74, 7,615.92 and 4,031.20

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Solution

The fourth proportional to 5,525.74, 7,615.92 and 4,031.20 is: 5,556.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,525.74 : 7,615.92 = 4,031.20 : x
  2. Step 2: Convert to fraction form
    5,525.74/7,615.92 = 4,031.20/x
  3. Step 3: Cross multiply
    5,525.74x = 7,615.92 × 4,031.20
  4. Step 4: Simplify right side
    5,525.74x = 30,701,296.70
  5. Step 5: Solve for x
    x = 30,701,296.70/5,525.74
  6. Step 6: Final answer
    x = 5,556.05

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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.