Home / 7,838.88-10,817.24-4,695.36

Finding the Fourth Proportional to 7,838.88, 10,817.24 and 4,695.36

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Solution

The fourth proportional to 7,838.88, 10,817.24 and 4,695.36 is: 6,479.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838.88 : 10,817.24 = 4,695.36 : x
  2. Step 2: Convert to fraction form
    7,838.88/10,817.24 = 4,695.36/x
  3. Step 3: Cross multiply
    7,838.88x = 10,817.24 × 4,695.36
  4. Step 4: Simplify right side
    7,838.88x = 50,790,836.01
  5. Step 5: Solve for x
    x = 50,790,836.01/7,838.88
  6. Step 6: Final answer
    x = 6,479.35

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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.