Home / 6,937.20-9,570.60-3,911.64

Finding the Fourth Proportional to 6,937.20, 9,570.60 and 3,911.64

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Solution

The fourth proportional to 6,937.20, 9,570.60 and 3,911.64 is: 5,396.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,937.20 : 9,570.60 = 3,911.64 : x
  2. Step 2: Convert to fraction form
    6,937.20/9,570.60 = 3,911.64/x
  3. Step 3: Cross multiply
    6,937.20x = 9,570.60 × 3,911.64
  4. Step 4: Simplify right side
    6,937.20x = 37,436,741.78
  5. Step 5: Solve for x
    x = 37,436,741.78/6,937.20
  6. Step 6: Final answer
    x = 5,396.52

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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.