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Finding the Fourth Proportional to 7,411.70, 10,228.02 and 4,054.52

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Solution

The fourth proportional to 7,411.70, 10,228.02 and 4,054.52 is: 5,595.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.70 : 10,228.02 = 4,054.52 : x
  2. Step 2: Convert to fraction form
    7,411.70/10,228.02 = 4,054.52/x
  3. Step 3: Cross multiply
    7,411.70x = 10,228.02 × 4,054.52
  4. Step 4: Simplify right side
    7,411.70x = 41,469,711.65
  5. Step 5: Solve for x
    x = 41,469,711.65/7,411.70
  6. Step 6: Final answer
    x = 5,595.17

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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.