Home / 4,429.49-6,644.23-1,309.57

Finding the Fourth Proportional to 4,429.49, 6,644.23 and 1,309.57

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Solution

The fourth proportional to 4,429.49, 6,644.23 and 1,309.57 is: 1,964.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.49 : 6,644.23 = 1,309.57 : x
  2. Step 2: Convert to fraction form
    4,429.49/6,644.23 = 1,309.57/x
  3. Step 3: Cross multiply
    4,429.49x = 6,644.23 × 1,309.57
  4. Step 4: Simplify right side
    4,429.49x = 8,701,064.40
  5. Step 5: Solve for x
    x = 8,701,064.40/4,429.49
  6. Step 6: Final answer
    x = 1,964.35

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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.