Home / 5,911.93-8,862.40-4,687.21

Finding the Fourth Proportional to 5,911.93, 8,862.40 and 4,687.21

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Solution

The fourth proportional to 5,911.93, 8,862.40 and 4,687.21 is: 7,026.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.93 : 8,862.40 = 4,687.21 : x
  2. Step 2: Convert to fraction form
    5,911.93/8,862.40 = 4,687.21/x
  3. Step 3: Cross multiply
    5,911.93x = 8,862.40 × 4,687.21
  4. Step 4: Simplify right side
    5,911.93x = 41,539,929.90
  5. Step 5: Solve for x
    x = 41,539,929.90/5,911.93
  6. Step 6: Final answer
    x = 7,026.46

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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.