Home / 5,184.75-7,154.72-2,826.87

Finding the Fourth Proportional to 5,184.75, 7,154.72 and 2,826.87

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Solution

The fourth proportional to 5,184.75, 7,154.72 and 2,826.87 is: 3,900.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.75 : 7,154.72 = 2,826.87 : x
  2. Step 2: Convert to fraction form
    5,184.75/7,154.72 = 2,826.87/x
  3. Step 3: Cross multiply
    5,184.75x = 7,154.72 × 2,826.87
  4. Step 4: Simplify right side
    5,184.75x = 20,225,449.19
  5. Step 5: Solve for x
    x = 20,225,449.19/5,184.75
  6. Step 6: Final answer
    x = 3,900.95

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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.