Home / 4,624.96-6,378.24-3,955.28

Finding the Fourth Proportional to 4,624.96, 6,378.24 and 3,955.28

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Solution

The fourth proportional to 4,624.96, 6,378.24 and 3,955.28 is: 5,454.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,624.96 : 6,378.24 = 3,955.28 : x
  2. Step 2: Convert to fraction form
    4,624.96/6,378.24 = 3,955.28/x
  3. Step 3: Cross multiply
    4,624.96x = 6,378.24 × 3,955.28
  4. Step 4: Simplify right side
    4,624.96x = 25,227,725.11
  5. Step 5: Solve for x
    x = 25,227,725.11/4,624.96
  6. Step 6: Final answer
    x = 5,454.69

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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.