Home / 7,764.49-11,646.46-2,570.32

Finding the Fourth Proportional to 7,764.49, 11,646.46 and 2,570.32

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Solution

The fourth proportional to 7,764.49, 11,646.46 and 2,570.32 is: 3,855.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.49 : 11,646.46 = 2,570.32 : x
  2. Step 2: Convert to fraction form
    7,764.49/11,646.46 = 2,570.32/x
  3. Step 3: Cross multiply
    7,764.49x = 11,646.46 × 2,570.32
  4. Step 4: Simplify right side
    7,764.49x = 29,935,129.07
  5. Step 5: Solve for x
    x = 29,935,129.07/7,764.49
  6. Step 6: Final answer
    x = 3,855.39

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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.