Home / 7,031.54-10,548.91-3,742.90

Finding the Fourth Proportional to 7,031.54, 10,548.91 and 3,742.90

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Solution

The fourth proportional to 7,031.54, 10,548.91 and 3,742.90 is: 5,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.54 : 10,548.91 = 3,742.90 : x
  2. Step 2: Convert to fraction form
    7,031.54/10,548.91 = 3,742.90/x
  3. Step 3: Cross multiply
    7,031.54x = 10,548.91 × 3,742.90
  4. Step 4: Simplify right side
    7,031.54x = 39,483,515.24
  5. Step 5: Solve for x
    x = 39,483,515.24/7,031.54
  6. Step 6: Final answer
    x = 5,615.20

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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.