Home / 6,282.96-9,421.40-2,122.16

Finding the Fourth Proportional to 6,282.96, 9,421.40 and 2,122.16

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Solution

The fourth proportional to 6,282.96, 9,421.40 and 2,122.16 is: 3,182.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,282.96 : 9,421.40 = 2,122.16 : x
  2. Step 2: Convert to fraction form
    6,282.96/9,421.40 = 2,122.16/x
  3. Step 3: Cross multiply
    6,282.96x = 9,421.40 × 2,122.16
  4. Step 4: Simplify right side
    6,282.96x = 19,993,718.22
  5. Step 5: Solve for x
    x = 19,993,718.22/6,282.96
  6. Step 6: Final answer
    x = 3,182.21

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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.