Home / 4,565.50-6,847.20-1,278.92

Finding the Fourth Proportional to 4,565.50, 6,847.20 and 1,278.92

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Solution

The fourth proportional to 4,565.50, 6,847.20 and 1,278.92 is: 1,918.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,565.50 : 6,847.20 = 1,278.92 : x
  2. Step 2: Convert to fraction form
    4,565.50/6,847.20 = 1,278.92/x
  3. Step 3: Cross multiply
    4,565.50x = 6,847.20 × 1,278.92
  4. Step 4: Simplify right side
    4,565.50x = 8,757,038.14
  5. Step 5: Solve for x
    x = 8,757,038.14/4,565.50
  6. Step 6: Final answer
    x = 1,918.09

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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.