Home / 6,345.21-9,517.81-1,962.57

Finding the Fourth Proportional to 6,345.21, 9,517.81 and 1,962.57

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Solution

The fourth proportional to 6,345.21, 9,517.81 and 1,962.57 is: 2,943.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.21 : 9,517.81 = 1,962.57 : x
  2. Step 2: Convert to fraction form
    6,345.21/9,517.81 = 1,962.57/x
  3. Step 3: Cross multiply
    6,345.21x = 9,517.81 × 1,962.57
  4. Step 4: Simplify right side
    6,345.21x = 18,679,368.37
  5. Step 5: Solve for x
    x = 18,679,368.37/6,345.21
  6. Step 6: Final answer
    x = 2,943.85

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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.