Home / 7,043.20-10,560.86-2,886.10

Finding the Fourth Proportional to 7,043.20, 10,560.86 and 2,886.10

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Solution

The fourth proportional to 7,043.20, 10,560.86 and 2,886.10 is: 4,327.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,043.20 : 10,560.86 = 2,886.10 : x
  2. Step 2: Convert to fraction form
    7,043.20/10,560.86 = 2,886.10/x
  3. Step 3: Cross multiply
    7,043.20x = 10,560.86 × 2,886.10
  4. Step 4: Simplify right side
    7,043.20x = 30,479,698.05
  5. Step 5: Solve for x
    x = 30,479,698.05/7,043.20
  6. Step 6: Final answer
    x = 4,327.54

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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.