Home / 5,277.80-7,283.26-2,920.04

Finding the Fourth Proportional to 5,277.80, 7,283.26 and 2,920.04

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Solution

The fourth proportional to 5,277.80, 7,283.26 and 2,920.04 is: 4,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.80 : 7,283.26 = 2,920.04 : x
  2. Step 2: Convert to fraction form
    5,277.80/7,283.26 = 2,920.04/x
  3. Step 3: Cross multiply
    5,277.80x = 7,283.26 × 2,920.04
  4. Step 4: Simplify right side
    5,277.80x = 21,267,410.53
  5. Step 5: Solve for x
    x = 21,267,410.53/5,277.80
  6. Step 6: Final answer
    x = 4,029.60

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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.