Home / 6,965.10-9,612.63-3,821.58

Finding the Fourth Proportional to 6,965.10, 9,612.63 and 3,821.58

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Solution

The fourth proportional to 6,965.10, 9,612.63 and 3,821.58 is: 5,274.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,965.10 : 9,612.63 = 3,821.58 : x
  2. Step 2: Convert to fraction form
    6,965.10/9,612.63 = 3,821.58/x
  3. Step 3: Cross multiply
    6,965.10x = 9,612.63 × 3,821.58
  4. Step 4: Simplify right side
    6,965.10x = 36,735,434.56
  5. Step 5: Solve for x
    x = 36,735,434.56/6,965.10
  6. Step 6: Final answer
    x = 5,274.21

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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.