Home / 5,600.72-8,390.14-4,117.21

Finding the Fourth Proportional to 5,600.72, 8,390.14 and 4,117.21

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Solution

The fourth proportional to 5,600.72, 8,390.14 and 4,117.21 is: 6,167.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,600.72 : 8,390.14 = 4,117.21 : x
  2. Step 2: Convert to fraction form
    5,600.72/8,390.14 = 4,117.21/x
  3. Step 3: Cross multiply
    5,600.72x = 8,390.14 × 4,117.21
  4. Step 4: Simplify right side
    5,600.72x = 34,543,968.31
  5. Step 5: Solve for x
    x = 34,543,968.31/5,600.72
  6. Step 6: Final answer
    x = 6,167.77

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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.