Home / 6,526.08-9,791.10-2,143.80

Finding the Fourth Proportional to 6,526.08, 9,791.10 and 2,143.80

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Solution

The fourth proportional to 6,526.08, 9,791.10 and 2,143.80 is: 3,216.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,526.08 : 9,791.10 = 2,143.80 : x
  2. Step 2: Convert to fraction form
    6,526.08/9,791.10 = 2,143.80/x
  3. Step 3: Cross multiply
    6,526.08x = 9,791.10 × 2,143.80
  4. Step 4: Simplify right side
    6,526.08x = 20,990,160.18
  5. Step 5: Solve for x
    x = 20,990,160.18/6,526.08
  6. Step 6: Final answer
    x = 3,216.35

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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.