Home / 6,690.90-10,036.38-2,308.32

Finding the Fourth Proportional to 6,690.90, 10,036.38 and 2,308.32

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Solution

The fourth proportional to 6,690.90, 10,036.38 and 2,308.32 is: 3,462.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.90 : 10,036.38 = 2,308.32 : x
  2. Step 2: Convert to fraction form
    6,690.90/10,036.38 = 2,308.32/x
  3. Step 3: Cross multiply
    6,690.90x = 10,036.38 × 2,308.32
  4. Step 4: Simplify right side
    6,690.90x = 23,167,176.68
  5. Step 5: Solve for x
    x = 23,167,176.68/6,690.90
  6. Step 6: Final answer
    x = 3,462.49

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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.