Home / 7,258.78-10,890-2,064.66

Finding the Fourth Proportional to 7,258.78, 10,890 and 2,064.66

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Solution

The fourth proportional to 7,258.78, 10,890 and 2,064.66 is: 3,097.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258.78 : 10,890 = 2,064.66 : x
  2. Step 2: Convert to fraction form
    7,258.78/10,890 = 2,064.66/x
  3. Step 3: Cross multiply
    7,258.78x = 10,890 × 2,064.66
  4. Step 4: Simplify right side
    7,258.78x = 22,484,106.56
  5. Step 5: Solve for x
    x = 22,484,106.56/7,258.78
  6. Step 6: Final answer
    x = 3,097.50

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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.