Home / 4,375.23-6,560.43-2,990.13

Finding the Fourth Proportional to 4,375.23, 6,560.43 and 2,990.13

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Solution

The fourth proportional to 4,375.23, 6,560.43 and 2,990.13 is: 4,483.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,375.23 : 6,560.43 = 2,990.13 : x
  2. Step 2: Convert to fraction form
    4,375.23/6,560.43 = 2,990.13/x
  3. Step 3: Cross multiply
    4,375.23x = 6,560.43 × 2,990.13
  4. Step 4: Simplify right side
    4,375.23x = 19,616,538.56
  5. Step 5: Solve for x
    x = 19,616,538.56/4,375.23
  6. Step 6: Final answer
    x = 4,483.54

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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.