Home / 4,221.78-6,322.95-2,370.12

Finding the Fourth Proportional to 4,221.78, 6,322.95 and 2,370.12

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Solution

The fourth proportional to 4,221.78, 6,322.95 and 2,370.12 is: 3,549.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.78 : 6,322.95 = 2,370.12 : x
  2. Step 2: Convert to fraction form
    4,221.78/6,322.95 = 2,370.12/x
  3. Step 3: Cross multiply
    4,221.78x = 6,322.95 × 2,370.12
  4. Step 4: Simplify right side
    4,221.78x = 14,986,150.25
  5. Step 5: Solve for x
    x = 14,986,150.25/4,221.78
  6. Step 6: Final answer
    x = 3,549.72

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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.