Home / 6,542.47-9,812.86-2,158.84

Finding the Fourth Proportional to 6,542.47, 9,812.86 and 2,158.84

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Solution

The fourth proportional to 6,542.47, 9,812.86 and 2,158.84 is: 3,237.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,542.47 : 9,812.86 = 2,158.84 : x
  2. Step 2: Convert to fraction form
    6,542.47/9,812.86 = 2,158.84/x
  3. Step 3: Cross multiply
    6,542.47x = 9,812.86 × 2,158.84
  4. Step 4: Simplify right side
    6,542.47x = 21,184,394.68
  5. Step 5: Solve for x
    x = 21,184,394.68/6,542.47
  6. Step 6: Final answer
    x = 3,237.98

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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.