Home / 5,269.77-7,274.61-3,146.04

Finding the Fourth Proportional to 5,269.77, 7,274.61 and 3,146.04

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Solution

The fourth proportional to 5,269.77, 7,274.61 and 3,146.04 is: 4,342.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.77 : 7,274.61 = 3,146.04 : x
  2. Step 2: Convert to fraction form
    5,269.77/7,274.61 = 3,146.04/x
  3. Step 3: Cross multiply
    5,269.77x = 7,274.61 × 3,146.04
  4. Step 4: Simplify right side
    5,269.77x = 22,886,214.04
  5. Step 5: Solve for x
    x = 22,886,214.04/5,269.77
  6. Step 6: Final answer
    x = 4,342.92

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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.