Home / 7,808.80-10,776.42-4,452.13

Finding the Fourth Proportional to 7,808.80, 10,776.42 and 4,452.13

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Solution

The fourth proportional to 7,808.80, 10,776.42 and 4,452.13 is: 6,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808.80 : 10,776.42 = 4,452.13 : x
  2. Step 2: Convert to fraction form
    7,808.80/10,776.42 = 4,452.13/x
  3. Step 3: Cross multiply
    7,808.80x = 10,776.42 × 4,452.13
  4. Step 4: Simplify right side
    7,808.80x = 47,978,022.77
  5. Step 5: Solve for x
    x = 47,978,022.77/7,808.80
  6. Step 6: Final answer
    x = 6,144.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.