Home / 4,900.29-6,762.36-4,191.22

Finding the Fourth Proportional to 4,900.29, 6,762.36 and 4,191.22

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Solution

The fourth proportional to 4,900.29, 6,762.36 and 4,191.22 is: 5,783.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900.29 : 6,762.36 = 4,191.22 : x
  2. Step 2: Convert to fraction form
    4,900.29/6,762.36 = 4,191.22/x
  3. Step 3: Cross multiply
    4,900.29x = 6,762.36 × 4,191.22
  4. Step 4: Simplify right side
    4,900.29x = 28,342,538.48
  5. Step 5: Solve for x
    x = 28,342,538.48/4,900.29
  6. Step 6: Final answer
    x = 5,783.85

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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.