Home / 4,840.45-6,679.69-2,715.80

Finding the Fourth Proportional to 4,840.45, 6,679.69 and 2,715.80

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Solution

The fourth proportional to 4,840.45, 6,679.69 and 2,715.80 is: 3,747.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,840.45 : 6,679.69 = 2,715.80 : x
  2. Step 2: Convert to fraction form
    4,840.45/6,679.69 = 2,715.80/x
  3. Step 3: Cross multiply
    4,840.45x = 6,679.69 × 2,715.80
  4. Step 4: Simplify right side
    4,840.45x = 18,140,661.91
  5. Step 5: Solve for x
    x = 18,140,661.91/4,840.45
  6. Step 6: Final answer
    x = 3,747.72

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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.