Home / 7,069.77-10,610.12-2,688.48

Finding the Fourth Proportional to 7,069.77, 10,610.12 and 2,688.48

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Solution

The fourth proportional to 7,069.77, 10,610.12 and 2,688.48 is: 4,034.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.77 : 10,610.12 = 2,688.48 : x
  2. Step 2: Convert to fraction form
    7,069.77/10,610.12 = 2,688.48/x
  3. Step 3: Cross multiply
    7,069.77x = 10,610.12 × 2,688.48
  4. Step 4: Simplify right side
    7,069.77x = 28,525,081.98
  5. Step 5: Solve for x
    x = 28,525,081.98/7,069.77
  6. Step 6: Final answer
    x = 4,034.80

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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.