Home / 8,257.51-11,397.36-4,722.72

Finding the Fourth Proportional to 8,257.51, 11,397.36 and 4,722.72

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Solution

The fourth proportional to 8,257.51, 11,397.36 and 4,722.72 is: 6,518.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.51 : 11,397.36 = 4,722.72 : x
  2. Step 2: Convert to fraction form
    8,257.51/11,397.36 = 4,722.72/x
  3. Step 3: Cross multiply
    8,257.51x = 11,397.36 × 4,722.72
  4. Step 4: Simplify right side
    8,257.51x = 53,826,540.02
  5. Step 5: Solve for x
    x = 53,826,540.02/8,257.51
  6. Step 6: Final answer
    x = 6,518.50

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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.