Home / 5,760.98-8,646.08-2,642.45

Finding the Fourth Proportional to 5,760.98, 8,646.08 and 2,642.45

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Solution

The fourth proportional to 5,760.98, 8,646.08 and 2,642.45 is: 3,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,760.98 : 8,646.08 = 2,642.45 : x
  2. Step 2: Convert to fraction form
    5,760.98/8,646.08 = 2,642.45/x
  3. Step 3: Cross multiply
    5,760.98x = 8,646.08 × 2,642.45
  4. Step 4: Simplify right side
    5,760.98x = 22,846,869.82
  5. Step 5: Solve for x
    x = 22,846,869.82/5,760.98
  6. Step 6: Final answer
    x = 3,965.80

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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.