Home / 5,575.74-8,363.88-1,877.64

Finding the Fourth Proportional to 5,575.74, 8,363.88 and 1,877.64

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Solution

The fourth proportional to 5,575.74, 8,363.88 and 1,877.64 is: 2,816.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.74 : 8,363.88 = 1,877.64 : x
  2. Step 2: Convert to fraction form
    5,575.74/8,363.88 = 1,877.64/x
  3. Step 3: Cross multiply
    5,575.74x = 8,363.88 × 1,877.64
  4. Step 4: Simplify right side
    5,575.74x = 15,704,355.64
  5. Step 5: Solve for x
    x = 15,704,355.64/5,575.74
  6. Step 6: Final answer
    x = 2,816.55

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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.