Home / 4,538.48-6,805.98-1,764.78

Finding the Fourth Proportional to 4,538.48, 6,805.98 and 1,764.78

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Solution

The fourth proportional to 4,538.48, 6,805.98 and 1,764.78 is: 2,646.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,538.48 : 6,805.98 = 1,764.78 : x
  2. Step 2: Convert to fraction form
    4,538.48/6,805.98 = 1,764.78/x
  3. Step 3: Cross multiply
    4,538.48x = 6,805.98 × 1,764.78
  4. Step 4: Simplify right side
    4,538.48x = 12,011,057.38
  5. Step 5: Solve for x
    x = 12,011,057.38/4,538.48
  6. Step 6: Final answer
    x = 2,646.49

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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.