Home / 5,696.28-7,857.90-4,635.21

Finding the Fourth Proportional to 5,696.28, 7,857.90 and 4,635.21

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Solution

The fourth proportional to 5,696.28, 7,857.90 and 4,635.21 is: 6,394.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,696.28 : 7,857.90 = 4,635.21 : x
  2. Step 2: Convert to fraction form
    5,696.28/7,857.90 = 4,635.21/x
  3. Step 3: Cross multiply
    5,696.28x = 7,857.90 × 4,635.21
  4. Step 4: Simplify right side
    5,696.28x = 36,423,016.66
  5. Step 5: Solve for x
    x = 36,423,016.66/5,696.28
  6. Step 6: Final answer
    x = 6,394.18

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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.