Home / 6,840.61-10,262.50-2,161.08

Finding the Fourth Proportional to 6,840.61, 10,262.50 and 2,161.08

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Solution

The fourth proportional to 6,840.61, 10,262.50 and 2,161.08 is: 3,242.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840.61 : 10,262.50 = 2,161.08 : x
  2. Step 2: Convert to fraction form
    6,840.61/10,262.50 = 2,161.08/x
  3. Step 3: Cross multiply
    6,840.61x = 10,262.50 × 2,161.08
  4. Step 4: Simplify right side
    6,840.61x = 22,178,078.10
  5. Step 5: Solve for x
    x = 22,178,078.10/6,840.61
  6. Step 6: Final answer
    x = 3,242.12

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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.