Home / 4,572.11-6,309.45-2,778.99

Finding the Fourth Proportional to 4,572.11, 6,309.45 and 2,778.99

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Solution

The fourth proportional to 4,572.11, 6,309.45 and 2,778.99 is: 3,834.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,572.11 : 6,309.45 = 2,778.99 : x
  2. Step 2: Convert to fraction form
    4,572.11/6,309.45 = 2,778.99/x
  3. Step 3: Cross multiply
    4,572.11x = 6,309.45 × 2,778.99
  4. Step 4: Simplify right side
    4,572.11x = 17,533,898.46
  5. Step 5: Solve for x
    x = 17,533,898.46/4,572.11
  6. Step 6: Final answer
    x = 3,834.97

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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.