Home / 7,280.19-10,920.06-2,015.52

Finding the Fourth Proportional to 7,280.19, 10,920.06 and 2,015.52

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Solution

The fourth proportional to 7,280.19, 10,920.06 and 2,015.52 is: 3,023.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.19 : 10,920.06 = 2,015.52 : x
  2. Step 2: Convert to fraction form
    7,280.19/10,920.06 = 2,015.52/x
  3. Step 3: Cross multiply
    7,280.19x = 10,920.06 × 2,015.52
  4. Step 4: Simplify right side
    7,280.19x = 22,009,599.33
  5. Step 5: Solve for x
    x = 22,009,599.33/7,280.19
  6. Step 6: Final answer
    x = 3,023.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.