Home / 5,697.47-7,857.60-3,707.30

Finding the Fourth Proportional to 5,697.47, 7,857.60 and 3,707.30

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Solution

The fourth proportional to 5,697.47, 7,857.60 and 3,707.30 is: 5,112.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,697.47 : 7,857.60 = 3,707.30 : x
  2. Step 2: Convert to fraction form
    5,697.47/7,857.60 = 3,707.30/x
  3. Step 3: Cross multiply
    5,697.47x = 7,857.60 × 3,707.30
  4. Step 4: Simplify right side
    5,697.47x = 29,130,480.48
  5. Step 5: Solve for x
    x = 29,130,480.48/5,697.47
  6. Step 6: Final answer
    x = 5,112.88

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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.