Home / 4,262.16-6,393.78-2,154.72

Finding the Fourth Proportional to 4,262.16, 6,393.78 and 2,154.72

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Solution

The fourth proportional to 4,262.16, 6,393.78 and 2,154.72 is: 3,232.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262.16 : 6,393.78 = 2,154.72 : x
  2. Step 2: Convert to fraction form
    4,262.16/6,393.78 = 2,154.72/x
  3. Step 3: Cross multiply
    4,262.16x = 6,393.78 × 2,154.72
  4. Step 4: Simplify right side
    4,262.16x = 13,776,805.64
  5. Step 5: Solve for x
    x = 13,776,805.64/4,262.16
  6. Step 6: Final answer
    x = 3,232.35

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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.