Home / 9,137.85-13,695.75-4,200.72

Finding the Fourth Proportional to 9,137.85, 13,695.75 and 4,200.72

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Solution

The fourth proportional to 9,137.85, 13,695.75 and 4,200.72 is: 6,296.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.85 : 13,695.75 = 4,200.72 : x
  2. Step 2: Convert to fraction form
    9,137.85/13,695.75 = 4,200.72/x
  3. Step 3: Cross multiply
    9,137.85x = 13,695.75 × 4,200.72
  4. Step 4: Simplify right side
    9,137.85x = 57,532,010.94
  5. Step 5: Solve for x
    x = 57,532,010.94/9,137.85
  6. Step 6: Final answer
    x = 6,296.01

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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.