Home / 5,137.85-7,077.93-4,887.72

Finding the Fourth Proportional to 5,137.85, 7,077.93 and 4,887.72

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Solution

The fourth proportional to 5,137.85, 7,077.93 and 4,887.72 is: 6,733.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.85 : 7,077.93 = 4,887.72 : x
  2. Step 2: Convert to fraction form
    5,137.85/7,077.93 = 4,887.72/x
  3. Step 3: Cross multiply
    5,137.85x = 7,077.93 × 4,887.72
  4. Step 4: Simplify right side
    5,137.85x = 34,594,940.02
  5. Step 5: Solve for x
    x = 34,594,940.02/5,137.85
  6. Step 6: Final answer
    x = 6,733.36

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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.