Home / 4,318.12-6,478.54-1,544.72

Finding the Fourth Proportional to 4,318.12, 6,478.54 and 1,544.72

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Solution

The fourth proportional to 4,318.12, 6,478.54 and 1,544.72 is: 2,317.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.12 : 6,478.54 = 1,544.72 : x
  2. Step 2: Convert to fraction form
    4,318.12/6,478.54 = 1,544.72/x
  3. Step 3: Cross multiply
    4,318.12x = 6,478.54 × 1,544.72
  4. Step 4: Simplify right side
    4,318.12x = 10,007,530.31
  5. Step 5: Solve for x
    x = 10,007,530.31/4,318.12
  6. Step 6: Final answer
    x = 2,317.57

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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.