Home / 8,467.74-11,685.56-5,109.91

Finding the Fourth Proportional to 8,467.74, 11,685.56 and 5,109.91

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Solution

The fourth proportional to 8,467.74, 11,685.56 and 5,109.91 is: 7,051.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,467.74 : 11,685.56 = 5,109.91 : x
  2. Step 2: Convert to fraction form
    8,467.74/11,685.56 = 5,109.91/x
  3. Step 3: Cross multiply
    8,467.74x = 11,685.56 × 5,109.91
  4. Step 4: Simplify right side
    8,467.74x = 59,712,159.90
  5. Step 5: Solve for x
    x = 59,712,159.90/8,467.74
  6. Step 6: Final answer
    x = 7,051.72

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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.