Home / 8,275.64-11,420.38-4,738.84

Finding the Fourth Proportional to 8,275.64, 11,420.38 and 4,738.84

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Solution

The fourth proportional to 8,275.64, 11,420.38 and 4,738.84 is: 6,539.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.64 : 11,420.38 = 4,738.84 : x
  2. Step 2: Convert to fraction form
    8,275.64/11,420.38 = 4,738.84/x
  3. Step 3: Cross multiply
    8,275.64x = 11,420.38 × 4,738.84
  4. Step 4: Simplify right side
    8,275.64x = 54,119,353.56
  5. Step 5: Solve for x
    x = 54,119,353.56/8,275.64
  6. Step 6: Final answer
    x = 6,539.60

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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.