Home / 4,543.29-6,810.89-1,620.95

Finding the Fourth Proportional to 4,543.29, 6,810.89 and 1,620.95

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Solution

The fourth proportional to 4,543.29, 6,810.89 and 1,620.95 is: 2,429.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,543.29 : 6,810.89 = 1,620.95 : x
  2. Step 2: Convert to fraction form
    4,543.29/6,810.89 = 1,620.95/x
  3. Step 3: Cross multiply
    4,543.29x = 6,810.89 × 1,620.95
  4. Step 4: Simplify right side
    4,543.29x = 11,040,069.99
  5. Step 5: Solve for x
    x = 11,040,069.99/4,543.29
  6. Step 6: Final answer
    x = 2,429.97

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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.