Home / 8,258.40-11,394.72-4,721.04

Finding the Fourth Proportional to 8,258.40, 11,394.72 and 4,721.04

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Solution

The fourth proportional to 8,258.40, 11,394.72 and 4,721.04 is: 6,513.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.40 : 11,394.72 = 4,721.04 : x
  2. Step 2: Convert to fraction form
    8,258.40/11,394.72 = 4,721.04/x
  3. Step 3: Cross multiply
    8,258.40x = 11,394.72 × 4,721.04
  4. Step 4: Simplify right side
    8,258.40x = 53,794,928.91
  5. Step 5: Solve for x
    x = 53,794,928.91/8,258.40
  6. Step 6: Final answer
    x = 6,513.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.