Home / 4,678.28-7,011.33-1,901.68

Finding the Fourth Proportional to 4,678.28, 7,011.33 and 1,901.68

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Solution

The fourth proportional to 4,678.28, 7,011.33 and 1,901.68 is: 2,850.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.28 : 7,011.33 = 1,901.68 : x
  2. Step 2: Convert to fraction form
    4,678.28/7,011.33 = 1,901.68/x
  3. Step 3: Cross multiply
    4,678.28x = 7,011.33 × 1,901.68
  4. Step 4: Simplify right side
    4,678.28x = 13,333,306.03
  5. Step 5: Solve for x
    x = 13,333,306.03/4,678.28
  6. Step 6: Final answer
    x = 2,850.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.