Home / 5,927.76-8,889.20-1,977.84

Finding the Fourth Proportional to 5,927.76, 8,889.20 and 1,977.84

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Solution

The fourth proportional to 5,927.76, 8,889.20 and 1,977.84 is: 2,965.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,927.76 : 8,889.20 = 1,977.84 : x
  2. Step 2: Convert to fraction form
    5,927.76/8,889.20 = 1,977.84/x
  3. Step 3: Cross multiply
    5,927.76x = 8,889.20 × 1,977.84
  4. Step 4: Simplify right side
    5,927.76x = 17,581,415.33
  5. Step 5: Solve for x
    x = 17,581,415.33/5,927.76
  6. Step 6: Final answer
    x = 2,965.95

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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.