Home / 7,074.28-10,610.70-1,880.68

Finding the Fourth Proportional to 7,074.28, 10,610.70 and 1,880.68

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Solution

The fourth proportional to 7,074.28, 10,610.70 and 1,880.68 is: 2,820.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,074.28 : 10,610.70 = 1,880.68 : x
  2. Step 2: Convert to fraction form
    7,074.28/10,610.70 = 1,880.68/x
  3. Step 3: Cross multiply
    7,074.28x = 10,610.70 × 1,880.68
  4. Step 4: Simplify right side
    7,074.28x = 19,955,331.28
  5. Step 5: Solve for x
    x = 19,955,331.28/7,074.28
  6. Step 6: Final answer
    x = 2,820.83

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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.