Home / 5,268.16-7,269.28-2,910.40

Finding the Fourth Proportional to 5,268.16, 7,269.28 and 2,910.40

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Solution

The fourth proportional to 5,268.16, 7,269.28 and 2,910.40 is: 4,015.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.16 : 7,269.28 = 2,910.40 : x
  2. Step 2: Convert to fraction form
    5,268.16/7,269.28 = 2,910.40/x
  3. Step 3: Cross multiply
    5,268.16x = 7,269.28 × 2,910.40
  4. Step 4: Simplify right side
    5,268.16x = 21,156,512.51
  5. Step 5: Solve for x
    x = 21,156,512.51/5,268.16
  6. Step 6: Final answer
    x = 4,015.92

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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.