Home / 7,808.89-10,776.91-4,452.76

Finding the Fourth Proportional to 7,808.89, 10,776.91 and 4,452.76

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Solution

The fourth proportional to 7,808.89, 10,776.91 and 4,452.76 is: 6,145.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808.89 : 10,776.91 = 4,452.76 : x
  2. Step 2: Convert to fraction form
    7,808.89/10,776.91 = 4,452.76/x
  3. Step 3: Cross multiply
    7,808.89x = 10,776.91 × 4,452.76
  4. Step 4: Simplify right side
    7,808.89x = 47,986,993.77
  5. Step 5: Solve for x
    x = 47,986,993.77/7,808.89
  6. Step 6: Final answer
    x = 6,145.17

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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.