Home / 5,209.02-7,185.24-4,214.34

Finding the Fourth Proportional to 5,209.02, 7,185.24 and 4,214.34

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Solution

The fourth proportional to 5,209.02, 7,185.24 and 4,214.34 is: 5,813.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.02 : 7,185.24 = 4,214.34 : x
  2. Step 2: Convert to fraction form
    5,209.02/7,185.24 = 4,214.34/x
  3. Step 3: Cross multiply
    5,209.02x = 7,185.24 × 4,214.34
  4. Step 4: Simplify right side
    5,209.02x = 30,281,044.34
  5. Step 5: Solve for x
    x = 30,281,044.34/5,209.02
  6. Step 6: Final answer
    x = 5,813.19

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.