Home / 4,421.40-6,632.91-1,499.46

Finding the Fourth Proportional to 4,421.40, 6,632.91 and 1,499.46

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Solution

The fourth proportional to 4,421.40, 6,632.91 and 1,499.46 is: 2,249.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.40 : 6,632.91 = 1,499.46 : x
  2. Step 2: Convert to fraction form
    4,421.40/6,632.91 = 1,499.46/x
  3. Step 3: Cross multiply
    4,421.40x = 6,632.91 × 1,499.46
  4. Step 4: Simplify right side
    4,421.40x = 9,945,783.23
  5. Step 5: Solve for x
    x = 9,945,783.23/4,421.40
  6. Step 6: Final answer
    x = 2,249.46

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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.