Home / 4,609.80-6,916.95-2,143.35

Finding the Fourth Proportional to 4,609.80, 6,916.95 and 2,143.35

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Solution

The fourth proportional to 4,609.80, 6,916.95 and 2,143.35 is: 3,216.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,609.80 : 6,916.95 = 2,143.35 : x
  2. Step 2: Convert to fraction form
    4,609.80/6,916.95 = 2,143.35/x
  3. Step 3: Cross multiply
    4,609.80x = 6,916.95 × 2,143.35
  4. Step 4: Simplify right side
    4,609.80x = 14,825,444.78
  5. Step 5: Solve for x
    x = 14,825,444.78/4,609.80
  6. Step 6: Final answer
    x = 3,216.07

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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.