Home / 4,807.61-6,631.09-3,125.91

Finding the Fourth Proportional to 4,807.61, 6,631.09 and 3,125.91

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Solution

The fourth proportional to 4,807.61, 6,631.09 and 3,125.91 is: 4,311.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,807.61 : 6,631.09 = 3,125.91 : x
  2. Step 2: Convert to fraction form
    4,807.61/6,631.09 = 3,125.91/x
  3. Step 3: Cross multiply
    4,807.61x = 6,631.09 × 3,125.91
  4. Step 4: Simplify right side
    4,807.61x = 20,728,190.54
  5. Step 5: Solve for x
    x = 20,728,190.54/4,807.61
  6. Step 6: Final answer
    x = 4,311.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.