Home / 7,938.36-10,954.58-4,401.50

Finding the Fourth Proportional to 7,938.36, 10,954.58 and 4,401.50

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Solution

The fourth proportional to 7,938.36, 10,954.58 and 4,401.50 is: 6,073.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.36 : 10,954.58 = 4,401.50 : x
  2. Step 2: Convert to fraction form
    7,938.36/10,954.58 = 4,401.50/x
  3. Step 3: Cross multiply
    7,938.36x = 10,954.58 × 4,401.50
  4. Step 4: Simplify right side
    7,938.36x = 48,216,507.09
  5. Step 5: Solve for x
    x = 48,216,507.09/7,938.36
  6. Step 6: Final answer
    x = 6,073.86

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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.