Home / 7,618.49-10,516.94-4,474.88

Finding the Fourth Proportional to 7,618.49, 10,516.94 and 4,474.88

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Solution

The fourth proportional to 7,618.49, 10,516.94 and 4,474.88 is: 6,177.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.49 : 10,516.94 = 4,474.88 : x
  2. Step 2: Convert to fraction form
    7,618.49/10,516.94 = 4,474.88/x
  3. Step 3: Cross multiply
    7,618.49x = 10,516.94 × 4,474.88
  4. Step 4: Simplify right side
    7,618.49x = 47,061,969.51
  5. Step 5: Solve for x
    x = 47,061,969.51/7,618.49
  6. Step 6: Final answer
    x = 6,177.34

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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.