Home / 4,347.76-6,520.40-1,227.56

Finding the Fourth Proportional to 4,347.76, 6,520.40 and 1,227.56

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Solution

The fourth proportional to 4,347.76, 6,520.40 and 1,227.56 is: 1,840.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,347.76 : 6,520.40 = 1,227.56 : x
  2. Step 2: Convert to fraction form
    4,347.76/6,520.40 = 1,227.56/x
  3. Step 3: Cross multiply
    4,347.76x = 6,520.40 × 1,227.56
  4. Step 4: Simplify right side
    4,347.76x = 8,004,182.22
  5. Step 5: Solve for x
    x = 8,004,182.22/4,347.76
  6. Step 6: Final answer
    x = 1,840.99

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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.