Home / 6,920.84-9,551.27-3,937.64

Finding the Fourth Proportional to 6,920.84, 9,551.27 and 3,937.64

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Solution

The fourth proportional to 6,920.84, 9,551.27 and 3,937.64 is: 5,434.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.84 : 9,551.27 = 3,937.64 : x
  2. Step 2: Convert to fraction form
    6,920.84/9,551.27 = 3,937.64/x
  3. Step 3: Cross multiply
    6,920.84x = 9,551.27 × 3,937.64
  4. Step 4: Simplify right side
    6,920.84x = 37,609,415.05
  5. Step 5: Solve for x
    x = 37,609,415.05/6,920.84
  6. Step 6: Final answer
    x = 5,434.23

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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.