Home / 4,155.08-6,231.82-1,557.32

Finding the Fourth Proportional to 4,155.08, 6,231.82 and 1,557.32

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Solution

The fourth proportional to 4,155.08, 6,231.82 and 1,557.32 is: 2,335.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.08 : 6,231.82 = 1,557.32 : x
  2. Step 2: Convert to fraction form
    4,155.08/6,231.82 = 1,557.32/x
  3. Step 3: Cross multiply
    4,155.08x = 6,231.82 × 1,557.32
  4. Step 4: Simplify right side
    4,155.08x = 9,704,937.92
  5. Step 5: Solve for x
    x = 9,704,937.92/4,155.08
  6. Step 6: Final answer
    x = 2,335.68

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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.