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Finding the Fourth Proportional to 7,500.51, 10,350.66 and 4,143.45

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Solution

The fourth proportional to 7,500.51, 10,350.66 and 4,143.45 is: 5,717.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500.51 : 10,350.66 = 4,143.45 : x
  2. Step 2: Convert to fraction form
    7,500.51/10,350.66 = 4,143.45/x
  3. Step 3: Cross multiply
    7,500.51x = 10,350.66 × 4,143.45
  4. Step 4: Simplify right side
    7,500.51x = 42,887,442.18
  5. Step 5: Solve for x
    x = 42,887,442.18/7,500.51
  6. Step 6: Final answer
    x = 5,717.94

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