Home / 7,938.45-10,955.30-4,401.68

Finding the Fourth Proportional to 7,938.45, 10,955.30 and 4,401.68

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Solution

The fourth proportional to 7,938.45, 10,955.30 and 4,401.68 is: 6,074.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.45 : 10,955.30 = 4,401.68 : x
  2. Step 2: Convert to fraction form
    7,938.45/10,955.30 = 4,401.68/x
  3. Step 3: Cross multiply
    7,938.45x = 10,955.30 × 4,401.68
  4. Step 4: Simplify right side
    7,938.45x = 48,221,648.12
  5. Step 5: Solve for x
    x = 48,221,648.12/7,938.45
  6. Step 6: Final answer
    x = 6,074.44

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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.