Home / 4,434.36-6,651.53-1,147.78

Finding the Fourth Proportional to 4,434.36, 6,651.53 and 1,147.78

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Solution

The fourth proportional to 4,434.36, 6,651.53 and 1,147.78 is: 1,721.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,434.36 : 6,651.53 = 1,147.78 : x
  2. Step 2: Convert to fraction form
    4,434.36/6,651.53 = 1,147.78/x
  3. Step 3: Cross multiply
    4,434.36x = 6,651.53 × 1,147.78
  4. Step 4: Simplify right side
    4,434.36x = 7,634,493.10
  5. Step 5: Solve for x
    x = 7,634,493.10/4,434.36
  6. Step 6: Final answer
    x = 1,721.67

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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.