Home / 5,184.76-7,777.14-4,139.87

Finding the Fourth Proportional to 5,184.76, 7,777.14 and 4,139.87

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Solution

The fourth proportional to 5,184.76, 7,777.14 and 4,139.87 is: 6,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.76 : 7,777.14 = 4,139.87 : x
  2. Step 2: Convert to fraction form
    5,184.76/7,777.14 = 4,139.87/x
  3. Step 3: Cross multiply
    5,184.76x = 7,777.14 × 4,139.87
  4. Step 4: Simplify right side
    5,184.76x = 32,196,327.68
  5. Step 5: Solve for x
    x = 32,196,327.68/5,184.76
  6. Step 6: Final answer
    x = 6,209.80

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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.