Home / 4,453.32-6,713.80-4,215.18

Finding the Fourth Proportional to 4,453.32, 6,713.80 and 4,215.18

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Solution

The fourth proportional to 4,453.32, 6,713.80 and 4,215.18 is: 6,354.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.32 : 6,713.80 = 4,215.18 : x
  2. Step 2: Convert to fraction form
    4,453.32/6,713.80 = 4,215.18/x
  3. Step 3: Cross multiply
    4,453.32x = 6,713.80 × 4,215.18
  4. Step 4: Simplify right side
    4,453.32x = 28,299,875.48
  5. Step 5: Solve for x
    x = 28,299,875.48/4,453.32
  6. Step 6: Final answer
    x = 6,354.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.