Home / 5,140.08-7,093.23-2,782.20

Finding the Fourth Proportional to 5,140.08, 7,093.23 and 2,782.20

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Solution

The fourth proportional to 5,140.08, 7,093.23 and 2,782.20 is: 3,839.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.08 : 7,093.23 = 2,782.20 : x
  2. Step 2: Convert to fraction form
    5,140.08/7,093.23 = 2,782.20/x
  3. Step 3: Cross multiply
    5,140.08x = 7,093.23 × 2,782.20
  4. Step 4: Simplify right side
    5,140.08x = 19,734,784.51
  5. Step 5: Solve for x
    x = 19,734,784.51/5,140.08
  6. Step 6: Final answer
    x = 3,839.39

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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.