Home / 7,894.30-10,887.84-4,908.36

Finding the Fourth Proportional to 7,894.30, 10,887.84 and 4,908.36

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Solution

The fourth proportional to 7,894.30, 10,887.84 and 4,908.36 is: 6,769.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,894.30 : 10,887.84 = 4,908.36 : x
  2. Step 2: Convert to fraction form
    7,894.30/10,887.84 = 4,908.36/x
  3. Step 3: Cross multiply
    7,894.30x = 10,887.84 × 4,908.36
  4. Step 4: Simplify right side
    7,894.30x = 53,441,438.34
  5. Step 5: Solve for x
    x = 53,441,438.34/7,894.30
  6. Step 6: Final answer
    x = 6,769.62

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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.