Home / 7,764.55-11,646.82-2,570.42

Finding the Fourth Proportional to 7,764.55, 11,646.82 and 2,570.42

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Solution

The fourth proportional to 7,764.55, 11,646.82 and 2,570.42 is: 3,855.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.55 : 11,646.82 = 2,570.42 : x
  2. Step 2: Convert to fraction form
    7,764.55/11,646.82 = 2,570.42/x
  3. Step 3: Cross multiply
    7,764.55x = 11,646.82 × 2,570.42
  4. Step 4: Simplify right side
    7,764.55x = 29,937,219.06
  5. Step 5: Solve for x
    x = 29,937,219.06/7,764.55
  6. Step 6: Final answer
    x = 3,855.63

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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.