Home / 4,505.76-6,218.37-3,384.72

Finding the Fourth Proportional to 4,505.76, 6,218.37 and 3,384.72

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Solution

The fourth proportional to 4,505.76, 6,218.37 and 3,384.72 is: 4,671.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505.76 : 6,218.37 = 3,384.72 : x
  2. Step 2: Convert to fraction form
    4,505.76/6,218.37 = 3,384.72/x
  3. Step 3: Cross multiply
    4,505.76x = 6,218.37 × 3,384.72
  4. Step 4: Simplify right side
    4,505.76x = 21,047,441.31
  5. Step 5: Solve for x
    x = 21,047,441.31/4,505.76
  6. Step 6: Final answer
    x = 4,671.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.