Home / 4,688.20-7,031.22-1,401.22

Finding the Fourth Proportional to 4,688.20, 7,031.22 and 1,401.22

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Solution

The fourth proportional to 4,688.20, 7,031.22 and 1,401.22 is: 2,101.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.20 : 7,031.22 = 1,401.22 : x
  2. Step 2: Convert to fraction form
    4,688.20/7,031.22 = 1,401.22/x
  3. Step 3: Cross multiply
    4,688.20x = 7,031.22 × 1,401.22
  4. Step 4: Simplify right side
    4,688.20x = 9,852,286.09
  5. Step 5: Solve for x
    x = 9,852,286.09/4,688.20
  6. Step 6: Final answer
    x = 2,101.51

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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.