Home / 5,556.85-8,341.79-4,387.64

Finding the Fourth Proportional to 5,556.85, 8,341.79 and 4,387.64

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Solution

The fourth proportional to 5,556.85, 8,341.79 and 4,387.64 is: 6,586.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.85 : 8,341.79 = 4,387.64 : x
  2. Step 2: Convert to fraction form
    5,556.85/8,341.79 = 4,387.64/x
  3. Step 3: Cross multiply
    5,556.85x = 8,341.79 × 4,387.64
  4. Step 4: Simplify right side
    5,556.85x = 36,600,772.02
  5. Step 5: Solve for x
    x = 36,600,772.02/5,556.85
  6. Step 6: Final answer
    x = 6,586.60

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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.