Home / 7,938.15-10,954.22-4,401.87

Finding the Fourth Proportional to 7,938.15, 10,954.22 and 4,401.87

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Solution

The fourth proportional to 7,938.15, 10,954.22 and 4,401.87 is: 6,074.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.15 : 10,954.22 = 4,401.87 : x
  2. Step 2: Convert to fraction form
    7,938.15/10,954.22 = 4,401.87/x
  3. Step 3: Cross multiply
    7,938.15x = 10,954.22 × 4,401.87
  4. Step 4: Simplify right side
    7,938.15x = 48,219,030.38
  5. Step 5: Solve for x
    x = 48,219,030.38/7,938.15
  6. Step 6: Final answer
    x = 6,074.34

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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.