Home / 8,258.65-12,387.06-2,415.31

Finding the Fourth Proportional to 8,258.65, 12,387.06 and 2,415.31

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Solution

The fourth proportional to 8,258.65, 12,387.06 and 2,415.31 is: 3,622.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.65 : 12,387.06 = 2,415.31 : x
  2. Step 2: Convert to fraction form
    8,258.65/12,387.06 = 2,415.31/x
  3. Step 3: Cross multiply
    8,258.65x = 12,387.06 × 2,415.31
  4. Step 4: Simplify right side
    8,258.65x = 29,918,558.92
  5. Step 5: Solve for x
    x = 29,918,558.92/8,258.65
  6. Step 6: Final answer
    x = 3,622.69

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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.