Home / 4,928.28-7,393.58-1,641.70

Finding the Fourth Proportional to 4,928.28, 7,393.58 and 1,641.70

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Solution

The fourth proportional to 4,928.28, 7,393.58 and 1,641.70 is: 2,462.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.28 : 7,393.58 = 1,641.70 : x
  2. Step 2: Convert to fraction form
    4,928.28/7,393.58 = 1,641.70/x
  3. Step 3: Cross multiply
    4,928.28x = 7,393.58 × 1,641.70
  4. Step 4: Simplify right side
    4,928.28x = 12,138,047.48
  5. Step 5: Solve for x
    x = 12,138,047.48/4,928.28
  6. Step 6: Final answer
    x = 2,462.94

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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.