Home / 7,938.22-10,955.08-4,401.43

Finding the Fourth Proportional to 7,938.22, 10,955.08 and 4,401.43

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Solution

The fourth proportional to 7,938.22, 10,955.08 and 4,401.43 is: 6,074.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.22 : 10,955.08 = 4,401.43 : x
  2. Step 2: Convert to fraction form
    7,938.22/10,955.08 = 4,401.43/x
  3. Step 3: Cross multiply
    7,938.22x = 10,955.08 × 4,401.43
  4. Step 4: Simplify right side
    7,938.22x = 48,218,017.76
  5. Step 5: Solve for x
    x = 48,218,017.76/7,938.22
  6. Step 6: Final answer
    x = 6,074.16

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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.