Home / 7,938.09-10,955.12-4,401.63

Finding the Fourth Proportional to 7,938.09, 10,955.12 and 4,401.63

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Solution

The fourth proportional to 7,938.09, 10,955.12 and 4,401.63 is: 6,074.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.09 : 10,955.12 = 4,401.63 : x
  2. Step 2: Convert to fraction form
    7,938.09/10,955.12 = 4,401.63/x
  3. Step 3: Cross multiply
    7,938.09x = 10,955.12 × 4,401.63
  4. Step 4: Simplify right side
    7,938.09x = 48,220,362.84
  5. Step 5: Solve for x
    x = 48,220,362.84/7,938.09
  6. Step 6: Final answer
    x = 6,074.55

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Double scale
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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.