Home / 5,277.92-7,283.58-2,920.28

Finding the Fourth Proportional to 5,277.92, 7,283.58 and 2,920.28

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Solution

The fourth proportional to 5,277.92, 7,283.58 and 2,920.28 is: 4,030.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.92 : 7,283.58 = 2,920.28 : x
  2. Step 2: Convert to fraction form
    5,277.92/7,283.58 = 2,920.28/x
  3. Step 3: Cross multiply
    5,277.92x = 7,283.58 × 2,920.28
  4. Step 4: Simplify right side
    5,277.92x = 21,270,093.00
  5. Step 5: Solve for x
    x = 21,270,093.00/5,277.92
  6. Step 6: Final answer
    x = 4,030.01

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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.