Home / 6,637.60-9,942.90-5,324.32

Finding the Fourth Proportional to 6,637.60, 9,942.90 and 5,324.32

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Solution

The fourth proportional to 6,637.60, 9,942.90 and 5,324.32 is: 7,975.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.60 : 9,942.90 = 5,324.32 : x
  2. Step 2: Convert to fraction form
    6,637.60/9,942.90 = 5,324.32/x
  3. Step 3: Cross multiply
    6,637.60x = 9,942.90 × 5,324.32
  4. Step 4: Simplify right side
    6,637.60x = 52,939,181.33
  5. Step 5: Solve for x
    x = 52,939,181.33/6,637.60
  6. Step 6: Final answer
    x = 7,975.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.