Home / 4,007.28-6,005.45-2,543.81

Finding the Fourth Proportional to 4,007.28, 6,005.45 and 2,543.81

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Solution

The fourth proportional to 4,007.28, 6,005.45 and 2,543.81 is: 3,812.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,007.28 : 6,005.45 = 2,543.81 : x
  2. Step 2: Convert to fraction form
    4,007.28/6,005.45 = 2,543.81/x
  3. Step 3: Cross multiply
    4,007.28x = 6,005.45 × 2,543.81
  4. Step 4: Simplify right side
    4,007.28x = 15,276,681.02
  5. Step 5: Solve for x
    x = 15,276,681.02/4,007.28
  6. Step 6: Final answer
    x = 3,812.23

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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.