Home / 5,277.88-7,283.92-2,920.76

Finding the Fourth Proportional to 5,277.88, 7,283.92 and 2,920.76

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Solution

The fourth proportional to 5,277.88, 7,283.92 and 2,920.76 is: 4,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.88 : 7,283.92 = 2,920.76 : x
  2. Step 2: Convert to fraction form
    5,277.88/7,283.92 = 2,920.76/x
  3. Step 3: Cross multiply
    5,277.88x = 7,283.92 × 2,920.76
  4. Step 4: Simplify right side
    5,277.88x = 21,274,582.18
  5. Step 5: Solve for x
    x = 21,274,582.18/5,277.88
  6. Step 6: Final answer
    x = 4,030.90

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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.