Home / 5,277.74-7,283.28-2,920.23

Finding the Fourth Proportional to 5,277.74, 7,283.28 and 2,920.23

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Solution

The fourth proportional to 5,277.74, 7,283.28 and 2,920.23 is: 4,029.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.74 : 7,283.28 = 2,920.23 : x
  2. Step 2: Convert to fraction form
    5,277.74/7,283.28 = 2,920.23/x
  3. Step 3: Cross multiply
    5,277.74x = 7,283.28 × 2,920.23
  4. Step 4: Simplify right side
    5,277.74x = 21,268,838.15
  5. Step 5: Solve for x
    x = 21,268,838.15/5,277.74
  6. Step 6: Final answer
    x = 4,029.92

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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.