Home / 7,638.58-11,457.66-2,444.38

Finding the Fourth Proportional to 7,638.58, 11,457.66 and 2,444.38

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Solution

The fourth proportional to 7,638.58, 11,457.66 and 2,444.38 is: 3,666.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638.58 : 11,457.66 = 2,444.38 : x
  2. Step 2: Convert to fraction form
    7,638.58/11,457.66 = 2,444.38/x
  3. Step 3: Cross multiply
    7,638.58x = 11,457.66 × 2,444.38
  4. Step 4: Simplify right side
    7,638.58x = 28,006,874.95
  5. Step 5: Solve for x
    x = 28,006,874.95/7,638.58
  6. Step 6: Final answer
    x = 3,666.50

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.