Home / 5,158.47-7,737.64-1,262.91

Finding the Fourth Proportional to 5,158.47, 7,737.64 and 1,262.91

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Solution

The fourth proportional to 5,158.47, 7,737.64 and 1,262.91 is: 1,894.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.47 : 7,737.64 = 1,262.91 : x
  2. Step 2: Convert to fraction form
    5,158.47/7,737.64 = 1,262.91/x
  3. Step 3: Cross multiply
    5,158.47x = 7,737.64 × 1,262.91
  4. Step 4: Simplify right side
    5,158.47x = 9,771,942.93
  5. Step 5: Solve for x
    x = 9,771,942.93/5,158.47
  6. Step 6: Final answer
    x = 1,894.35

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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.