Home / 6,937.79-9,573.75-3,953.61

Finding the Fourth Proportional to 6,937.79, 9,573.75 and 3,953.61

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Solution

The fourth proportional to 6,937.79, 9,573.75 and 3,953.61 is: 5,455.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,937.79 : 9,573.75 = 3,953.61 : x
  2. Step 2: Convert to fraction form
    6,937.79/9,573.75 = 3,953.61/x
  3. Step 3: Cross multiply
    6,937.79x = 9,573.75 × 3,953.61
  4. Step 4: Simplify right side
    6,937.79x = 37,850,873.74
  5. Step 5: Solve for x
    x = 37,850,873.74/6,937.79
  6. Step 6: Final answer
    x = 5,455.76

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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.