Home / 6,942-9,580.08-3,798.24

Finding the Fourth Proportional to 6,942, 9,580.08 and 3,798.24

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Solution

The fourth proportional to 6,942, 9,580.08 and 3,798.24 is: 5,241.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942 : 9,580.08 = 3,798.24 : x
  2. Step 2: Convert to fraction form
    6,942/9,580.08 = 3,798.24/x
  3. Step 3: Cross multiply
    6,942x = 9,580.08 × 3,798.24
  4. Step 4: Simplify right side
    6,942x = 36,387,443.06
  5. Step 5: Solve for x
    x = 36,387,443.06/6,942
  6. Step 6: Final answer
    x = 5,241.64

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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.