Home / 5,627.86-8,442.98-1,929.10

Finding the Fourth Proportional to 5,627.86, 8,442.98 and 1,929.10

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Solution

The fourth proportional to 5,627.86, 8,442.98 and 1,929.10 is: 2,894.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.86 : 8,442.98 = 1,929.10 : x
  2. Step 2: Convert to fraction form
    5,627.86/8,442.98 = 1,929.10/x
  3. Step 3: Cross multiply
    5,627.86x = 8,442.98 × 1,929.10
  4. Step 4: Simplify right side
    5,627.86x = 16,287,352.72
  5. Step 5: Solve for x
    x = 16,287,352.72/5,627.86
  6. Step 6: Final answer
    x = 2,894.06

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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.