Home / 5,417.10-8,125.38-1,907.28

Finding the Fourth Proportional to 5,417.10, 8,125.38 and 1,907.28

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Solution

The fourth proportional to 5,417.10, 8,125.38 and 1,907.28 is: 2,860.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.10 : 8,125.38 = 1,907.28 : x
  2. Step 2: Convert to fraction form
    5,417.10/8,125.38 = 1,907.28/x
  3. Step 3: Cross multiply
    5,417.10x = 8,125.38 × 1,907.28
  4. Step 4: Simplify right side
    5,417.10x = 15,497,374.77
  5. Step 5: Solve for x
    x = 15,497,374.77/5,417.10
  6. Step 6: Final answer
    x = 2,860.82

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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.