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Finding the Fourth Proportional to 6,590.68, 9,094.92 and 3,936.51

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Solution

The fourth proportional to 6,590.68, 9,094.92 and 3,936.51 is: 5,432.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,590.68 : 9,094.92 = 3,936.51 : x
  2. Step 2: Convert to fraction form
    6,590.68/9,094.92 = 3,936.51/x
  3. Step 3: Cross multiply
    6,590.68x = 9,094.92 × 3,936.51
  4. Step 4: Simplify right side
    6,590.68x = 35,802,228.77
  5. Step 5: Solve for x
    x = 35,802,228.77/6,590.68
  6. Step 6: Final answer
    x = 5,432.25

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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.