Home / 5,554.83-7,663.77-3,315.18

Finding the Fourth Proportional to 5,554.83, 7,663.77 and 3,315.18

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Solution

The fourth proportional to 5,554.83, 7,663.77 and 3,315.18 is: 4,573.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554.83 : 7,663.77 = 3,315.18 : x
  2. Step 2: Convert to fraction form
    5,554.83/7,663.77 = 3,315.18/x
  3. Step 3: Cross multiply
    5,554.83x = 7,663.77 × 3,315.18
  4. Step 4: Simplify right side
    5,554.83x = 25,406,777.03
  5. Step 5: Solve for x
    x = 25,406,777.03/5,554.83
  6. Step 6: Final answer
    x = 4,573.82

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Half scale
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Double scale
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Similar ratio
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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.