Home / 7,938.60-10,955.25-4,401.72

Finding the Fourth Proportional to 7,938.60, 10,955.25 and 4,401.72

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Solution

The fourth proportional to 7,938.60, 10,955.25 and 4,401.72 is: 6,074.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.60 : 10,955.25 = 4,401.72 : x
  2. Step 2: Convert to fraction form
    7,938.60/10,955.25 = 4,401.72/x
  3. Step 3: Cross multiply
    7,938.60x = 10,955.25 × 4,401.72
  4. Step 4: Simplify right side
    7,938.60x = 48,221,943.03
  5. Step 5: Solve for x
    x = 48,221,943.03/7,938.60
  6. Step 6: Final answer
    x = 6,074.36

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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.