Home / 4,343.39-6,515.08-1,223.39

Finding the Fourth Proportional to 4,343.39, 6,515.08 and 1,223.39

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Solution

The fourth proportional to 4,343.39, 6,515.08 and 1,223.39 is: 1,835.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,343.39 : 6,515.08 = 1,223.39 : x
  2. Step 2: Convert to fraction form
    4,343.39/6,515.08 = 1,223.39/x
  3. Step 3: Cross multiply
    4,343.39x = 6,515.08 × 1,223.39
  4. Step 4: Simplify right side
    4,343.39x = 7,970,483.72
  5. Step 5: Solve for x
    x = 7,970,483.72/4,343.39
  6. Step 6: Final answer
    x = 1,835.09

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Double scale
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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.