Home / 7,938.54-10,955.25-4,401.81

Finding the Fourth Proportional to 7,938.54, 10,955.25 and 4,401.81

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Solution

The fourth proportional to 7,938.54, 10,955.25 and 4,401.81 is: 6,074.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.54 : 10,955.25 = 4,401.81 : x
  2. Step 2: Convert to fraction form
    7,938.54/10,955.25 = 4,401.81/x
  3. Step 3: Cross multiply
    7,938.54x = 10,955.25 × 4,401.81
  4. Step 4: Simplify right side
    7,938.54x = 48,222,929.00
  5. Step 5: Solve for x
    x = 48,222,929.00/7,938.54
  6. Step 6: Final answer
    x = 6,074.53

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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.