Home / 7,301.60-10,954.70-3,086.77

Finding the Fourth Proportional to 7,301.60, 10,954.70 and 3,086.77

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Solution

The fourth proportional to 7,301.60, 10,954.70 and 3,086.77 is: 4,631.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,301.60 : 10,954.70 = 3,086.77 : x
  2. Step 2: Convert to fraction form
    7,301.60/10,954.70 = 3,086.77/x
  3. Step 3: Cross multiply
    7,301.60x = 10,954.70 × 3,086.77
  4. Step 4: Simplify right side
    7,301.60x = 33,814,569.11
  5. Step 5: Solve for x
    x = 33,814,569.11/7,301.60
  6. Step 6: Final answer
    x = 4,631.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.