Home / 5,137.35-7,077.23-4,887.21

Finding the Fourth Proportional to 5,137.35, 7,077.23 and 4,887.21

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Solution

The fourth proportional to 5,137.35, 7,077.23 and 4,887.21 is: 6,732.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.35 : 7,077.23 = 4,887.21 : x
  2. Step 2: Convert to fraction form
    5,137.35/7,077.23 = 4,887.21/x
  3. Step 3: Cross multiply
    5,137.35x = 7,077.23 × 4,887.21
  4. Step 4: Simplify right side
    5,137.35x = 34,587,909.23
  5. Step 5: Solve for x
    x = 34,587,909.23/5,137.35
  6. Step 6: Final answer
    x = 6,732.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.