Home / 4,750.13-7,111.32-2,769.71

Finding the Fourth Proportional to 4,750.13, 7,111.32 and 2,769.71

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Solution

The fourth proportional to 4,750.13, 7,111.32 and 2,769.71 is: 4,146.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,750.13 : 7,111.32 = 2,769.71 : x
  2. Step 2: Convert to fraction form
    4,750.13/7,111.32 = 2,769.71/x
  3. Step 3: Cross multiply
    4,750.13x = 7,111.32 × 2,769.71
  4. Step 4: Simplify right side
    4,750.13x = 19,696,294.12
  5. Step 5: Solve for x
    x = 19,696,294.12/4,750.13
  6. Step 6: Final answer
    x = 4,146.47

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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.