Home / 6,312.75-9,468.74-1,929.86

Finding the Fourth Proportional to 6,312.75, 9,468.74 and 1,929.86

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Solution

The fourth proportional to 6,312.75, 9,468.74 and 1,929.86 is: 2,894.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,312.75 : 9,468.74 = 1,929.86 : x
  2. Step 2: Convert to fraction form
    6,312.75/9,468.74 = 1,929.86/x
  3. Step 3: Cross multiply
    6,312.75x = 9,468.74 × 1,929.86
  4. Step 4: Simplify right side
    6,312.75x = 18,273,285.58
  5. Step 5: Solve for x
    x = 18,273,285.58/6,312.75
  6. Step 6: Final answer
    x = 2,894.66

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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.