Home / 5,277.47-7,916.66-1,381.88

Finding the Fourth Proportional to 5,277.47, 7,916.66 and 1,381.88

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Solution

The fourth proportional to 5,277.47, 7,916.66 and 1,381.88 is: 2,072.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.47 : 7,916.66 = 1,381.88 : x
  2. Step 2: Convert to fraction form
    5,277.47/7,916.66 = 1,381.88/x
  3. Step 3: Cross multiply
    5,277.47x = 7,916.66 × 1,381.88
  4. Step 4: Simplify right side
    5,277.47x = 10,939,827.63
  5. Step 5: Solve for x
    x = 10,939,827.63/5,277.47
  6. Step 6: Final answer
    x = 2,072.93

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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.