Home / 8,508.39-11,741.56-4,970.91

Finding the Fourth Proportional to 8,508.39, 11,741.56 and 4,970.91

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Solution

The fourth proportional to 8,508.39, 11,741.56 and 4,970.91 is: 6,859.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.39 : 11,741.56 = 4,970.91 : x
  2. Step 2: Convert to fraction form
    8,508.39/11,741.56 = 4,970.91/x
  3. Step 3: Cross multiply
    8,508.39x = 11,741.56 × 4,970.91
  4. Step 4: Simplify right side
    8,508.39x = 58,366,238.02
  5. Step 5: Solve for x
    x = 58,366,238.02/8,508.39
  6. Step 6: Final answer
    x = 6,859.85

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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.