Home / 6,765.86-10,138.32-4,689.92

Finding the Fourth Proportional to 6,765.86, 10,138.32 and 4,689.92

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Solution

The fourth proportional to 6,765.86, 10,138.32 and 4,689.92 is: 7,027.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,765.86 : 10,138.32 = 4,689.92 : x
  2. Step 2: Convert to fraction form
    6,765.86/10,138.32 = 4,689.92/x
  3. Step 3: Cross multiply
    6,765.86x = 10,138.32 × 4,689.92
  4. Step 4: Simplify right side
    6,765.86x = 47,547,909.73
  5. Step 5: Solve for x
    x = 47,547,909.73/6,765.86
  6. Step 6: Final answer
    x = 7,027.62

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1.5x scale

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.