Home / 5,140.03-7,092.88-3,043.75

Finding the Fourth Proportional to 5,140.03, 7,092.88 and 3,043.75

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Solution

The fourth proportional to 5,140.03, 7,092.88 and 3,043.75 is: 4,200.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.03 : 7,092.88 = 3,043.75 : x
  2. Step 2: Convert to fraction form
    5,140.03/7,092.88 = 3,043.75/x
  3. Step 3: Cross multiply
    5,140.03x = 7,092.88 × 3,043.75
  4. Step 4: Simplify right side
    5,140.03x = 21,588,953.50
  5. Step 5: Solve for x
    x = 21,588,953.50/5,140.03
  6. Step 6: Final answer
    x = 4,200.16

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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.