Home / 4,542.94-6,815.76-1,621.48

Finding the Fourth Proportional to 4,542.94, 6,815.76 and 1,621.48

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Solution

The fourth proportional to 4,542.94, 6,815.76 and 1,621.48 is: 2,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,542.94 : 6,815.76 = 1,621.48 : x
  2. Step 2: Convert to fraction form
    4,542.94/6,815.76 = 1,621.48/x
  3. Step 3: Cross multiply
    4,542.94x = 6,815.76 × 1,621.48
  4. Step 4: Simplify right side
    4,542.94x = 11,051,618.52
  5. Step 5: Solve for x
    x = 11,051,618.52/4,542.94
  6. Step 6: Final answer
    x = 2,432.70

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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.