Home / 6,667.40-9,991.58-4,898.54

Finding the Fourth Proportional to 6,667.40, 9,991.58 and 4,898.54

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Solution

The fourth proportional to 6,667.40, 9,991.58 and 4,898.54 is: 7,340.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,667.40 : 9,991.58 = 4,898.54 : x
  2. Step 2: Convert to fraction form
    6,667.40/9,991.58 = 4,898.54/x
  3. Step 3: Cross multiply
    6,667.40x = 9,991.58 × 4,898.54
  4. Step 4: Simplify right side
    6,667.40x = 48,944,154.78
  5. Step 5: Solve for x
    x = 48,944,154.78/6,667.40
  6. Step 6: Final answer
    x = 7,340.81

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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.