Home / 8,343.39-11,514.72-4,985.74

Finding the Fourth Proportional to 8,343.39, 11,514.72 and 4,985.74

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Solution

The fourth proportional to 8,343.39, 11,514.72 and 4,985.74 is: 6,880.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343.39 : 11,514.72 = 4,985.74 : x
  2. Step 2: Convert to fraction form
    8,343.39/11,514.72 = 4,985.74/x
  3. Step 3: Cross multiply
    8,343.39x = 11,514.72 × 4,985.74
  4. Step 4: Simplify right side
    8,343.39x = 57,409,400.09
  5. Step 5: Solve for x
    x = 57,409,400.09/8,343.39
  6. Step 6: Final answer
    x = 6,880.82

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Double scale
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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.