Home / 8,258.04-12,386.62-2,920.85

Finding the Fourth Proportional to 8,258.04, 12,386.62 and 2,920.85

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Solution

The fourth proportional to 8,258.04, 12,386.62 and 2,920.85 is: 4,381.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.04 : 12,386.62 = 2,920.85 : x
  2. Step 2: Convert to fraction form
    8,258.04/12,386.62 = 2,920.85/x
  3. Step 3: Cross multiply
    8,258.04x = 12,386.62 × 2,920.85
  4. Step 4: Simplify right side
    8,258.04x = 36,179,481.81
  5. Step 5: Solve for x
    x = 36,179,481.81/8,258.04
  6. Step 6: Final answer
    x = 4,381.12

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1.5x scale

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.