Home / 8,258.50-12,389.28-2,712.16

Finding the Fourth Proportional to 8,258.50, 12,389.28 and 2,712.16

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Solution

The fourth proportional to 8,258.50, 12,389.28 and 2,712.16 is: 4,068.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.50 : 12,389.28 = 2,712.16 : x
  2. Step 2: Convert to fraction form
    8,258.50/12,389.28 = 2,712.16/x
  3. Step 3: Cross multiply
    8,258.50x = 12,389.28 × 2,712.16
  4. Step 4: Simplify right side
    8,258.50x = 33,601,709.64
  5. Step 5: Solve for x
    x = 33,601,709.64/8,258.50
  6. Step 6: Final answer
    x = 4,068.74

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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.