Home / 5,184.86-7,155.05-2,826.95

Finding the Fourth Proportional to 5,184.86, 7,155.05 and 2,826.95

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Solution

The fourth proportional to 5,184.86, 7,155.05 and 2,826.95 is: 3,901.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.86 : 7,155.05 = 2,826.95 : x
  2. Step 2: Convert to fraction form
    5,184.86/7,155.05 = 2,826.95/x
  3. Step 3: Cross multiply
    5,184.86x = 7,155.05 × 2,826.95
  4. Step 4: Simplify right side
    5,184.86x = 20,226,918.69
  5. Step 5: Solve for x
    x = 20,226,918.69/5,184.86
  6. Step 6: Final answer
    x = 3,901.15

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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.