Home / 5,680.05-7,838.64-3,442.32

Finding the Fourth Proportional to 5,680.05, 7,838.64 and 3,442.32

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Solution

The fourth proportional to 5,680.05, 7,838.64 and 3,442.32 is: 4,750.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.05 : 7,838.64 = 3,442.32 : x
  2. Step 2: Convert to fraction form
    5,680.05/7,838.64 = 3,442.32/x
  3. Step 3: Cross multiply
    5,680.05x = 7,838.64 × 3,442.32
  4. Step 4: Simplify right side
    5,680.05x = 26,983,107.24
  5. Step 5: Solve for x
    x = 26,983,107.24/5,680.05
  6. Step 6: Final answer
    x = 4,750.51

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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.