Home / 8,258.95-12,389.24-2,712.07

Finding the Fourth Proportional to 8,258.95, 12,389.24 and 2,712.07

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Solution

The fourth proportional to 8,258.95, 12,389.24 and 2,712.07 is: 4,068.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.95 : 12,389.24 = 2,712.07 : x
  2. Step 2: Convert to fraction form
    8,258.95/12,389.24 = 2,712.07/x
  3. Step 3: Cross multiply
    8,258.95x = 12,389.24 × 2,712.07
  4. Step 4: Simplify right side
    8,258.95x = 33,600,486.13
  5. Step 5: Solve for x
    x = 33,600,486.13/8,258.95
  6. Step 6: Final answer
    x = 4,068.37

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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.