Home / 4,378.98-6,560.28-2,185.14

Finding the Fourth Proportional to 4,378.98, 6,560.28 and 2,185.14

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Solution

The fourth proportional to 4,378.98, 6,560.28 and 2,185.14 is: 3,273.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.98 : 6,560.28 = 2,185.14 : x
  2. Step 2: Convert to fraction form
    4,378.98/6,560.28 = 2,185.14/x
  3. Step 3: Cross multiply
    4,378.98x = 6,560.28 × 2,185.14
  4. Step 4: Simplify right side
    4,378.98x = 14,335,130.24
  5. Step 5: Solve for x
    x = 14,335,130.24/4,378.98
  6. Step 6: Final answer
    x = 3,273.62

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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.