Home / 4,920.10-6,789.57-2,681.94

Finding the Fourth Proportional to 4,920.10, 6,789.57 and 2,681.94

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Solution

The fourth proportional to 4,920.10, 6,789.57 and 2,681.94 is: 3,700.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.10 : 6,789.57 = 2,681.94 : x
  2. Step 2: Convert to fraction form
    4,920.10/6,789.57 = 2,681.94/x
  3. Step 3: Cross multiply
    4,920.10x = 6,789.57 × 2,681.94
  4. Step 4: Simplify right side
    4,920.10x = 18,209,219.37
  5. Step 5: Solve for x
    x = 18,209,219.37/4,920.10
  6. Step 6: Final answer
    x = 3,700.99

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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.