Home / 7,041.44-10,561.75-2,111.20

Finding the Fourth Proportional to 7,041.44, 10,561.75 and 2,111.20

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Solution

The fourth proportional to 7,041.44, 10,561.75 and 2,111.20 is: 3,166.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.44 : 10,561.75 = 2,111.20 : x
  2. Step 2: Convert to fraction form
    7,041.44/10,561.75 = 2,111.20/x
  3. Step 3: Cross multiply
    7,041.44x = 10,561.75 × 2,111.20
  4. Step 4: Simplify right side
    7,041.44x = 22,297,966.60
  5. Step 5: Solve for x
    x = 22,297,966.60/7,041.44
  6. Step 6: Final answer
    x = 3,166.68

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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.