Home / 6,423.85-9,637.39-1,806.85

Finding the Fourth Proportional to 6,423.85, 9,637.39 and 1,806.85

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Solution

The fourth proportional to 6,423.85, 9,637.39 and 1,806.85 is: 2,710.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.85 : 9,637.39 = 1,806.85 : x
  2. Step 2: Convert to fraction form
    6,423.85/9,637.39 = 1,806.85/x
  3. Step 3: Cross multiply
    6,423.85x = 9,637.39 × 1,806.85
  4. Step 4: Simplify right side
    6,423.85x = 17,413,289.51
  5. Step 5: Solve for x
    x = 17,413,289.51/6,423.85
  6. Step 6: Final answer
    x = 2,710.73

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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.