Home / 5,107.43-7,048.13-3,011.55

Finding the Fourth Proportional to 5,107.43, 7,048.13 and 3,011.55

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Solution

The fourth proportional to 5,107.43, 7,048.13 and 3,011.55 is: 4,155.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.43 : 7,048.13 = 3,011.55 : x
  2. Step 2: Convert to fraction form
    5,107.43/7,048.13 = 3,011.55/x
  3. Step 3: Cross multiply
    5,107.43x = 7,048.13 × 3,011.55
  4. Step 4: Simplify right side
    5,107.43x = 21,225,780.84
  5. Step 5: Solve for x
    x = 21,225,780.84/5,107.43
  6. Step 6: Final answer
    x = 4,155.87

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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.