Home / 4,378.31-6,560.16-3,077.45

Finding the Fourth Proportional to 4,378.31, 6,560.16 and 3,077.45

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Solution

The fourth proportional to 4,378.31, 6,560.16 and 3,077.45 is: 4,611.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.31 : 6,560.16 = 3,077.45 : x
  2. Step 2: Convert to fraction form
    4,378.31/6,560.16 = 3,077.45/x
  3. Step 3: Cross multiply
    4,378.31x = 6,560.16 × 3,077.45
  4. Step 4: Simplify right side
    4,378.31x = 20,188,564.39
  5. Step 5: Solve for x
    x = 20,188,564.39/4,378.31
  6. Step 6: Final answer
    x = 4,611.04

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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.