Home / 5,329.08-7,353.36-3,090.78

Finding the Fourth Proportional to 5,329.08, 7,353.36 and 3,090.78

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Solution

The fourth proportional to 5,329.08, 7,353.36 and 3,090.78 is: 4,264.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.08 : 7,353.36 = 3,090.78 : x
  2. Step 2: Convert to fraction form
    5,329.08/7,353.36 = 3,090.78/x
  3. Step 3: Cross multiply
    5,329.08x = 7,353.36 × 3,090.78
  4. Step 4: Simplify right side
    5,329.08x = 22,727,618.02
  5. Step 5: Solve for x
    x = 22,727,618.02/5,329.08
  6. Step 6: Final answer
    x = 4,264.83

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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.