Home / 7,031.48-10,546.20-2,100.92

Finding the Fourth Proportional to 7,031.48, 10,546.20 and 2,100.92

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Solution

The fourth proportional to 7,031.48, 10,546.20 and 2,100.92 is: 3,151.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.48 : 10,546.20 = 2,100.92 : x
  2. Step 2: Convert to fraction form
    7,031.48/10,546.20 = 2,100.92/x
  3. Step 3: Cross multiply
    7,031.48x = 10,546.20 × 2,100.92
  4. Step 4: Simplify right side
    7,031.48x = 22,156,722.50
  5. Step 5: Solve for x
    x = 22,156,722.50/7,031.48
  6. Step 6: Final answer
    x = 3,151.08

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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.