Home / 4,378.16-6,568.50-1,458.38

Finding the Fourth Proportional to 4,378.16, 6,568.50 and 1,458.38

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Solution

The fourth proportional to 4,378.16, 6,568.50 and 1,458.38 is: 2,187.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.16 : 6,568.50 = 1,458.38 : x
  2. Step 2: Convert to fraction form
    4,378.16/6,568.50 = 1,458.38/x
  3. Step 3: Cross multiply
    4,378.16x = 6,568.50 × 1,458.38
  4. Step 4: Simplify right side
    4,378.16x = 9,579,369.03
  5. Step 5: Solve for x
    x = 9,579,369.03/4,378.16
  6. Step 6: Final answer
    x = 2,187.99

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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.