Home / 5,777.30-7,970.46-3,538.28

Finding the Fourth Proportional to 5,777.30, 7,970.46 and 3,538.28

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Solution

The fourth proportional to 5,777.30, 7,970.46 and 3,538.28 is: 4,881.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.30 : 7,970.46 = 3,538.28 : x
  2. Step 2: Convert to fraction form
    5,777.30/7,970.46 = 3,538.28/x
  3. Step 3: Cross multiply
    5,777.30x = 7,970.46 × 3,538.28
  4. Step 4: Simplify right side
    5,777.30x = 28,201,719.21
  5. Step 5: Solve for x
    x = 28,201,719.21/5,777.30
  6. Step 6: Final answer
    x = 4,881.47

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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.