Home / 5,032.80-6,942.24-3,777.12

Finding the Fourth Proportional to 5,032.80, 6,942.24 and 3,777.12

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Solution

The fourth proportional to 5,032.80, 6,942.24 and 3,777.12 is: 5,210.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,032.80 : 6,942.24 = 3,777.12 : x
  2. Step 2: Convert to fraction form
    5,032.80/6,942.24 = 3,777.12/x
  3. Step 3: Cross multiply
    5,032.80x = 6,942.24 × 3,777.12
  4. Step 4: Simplify right side
    5,032.80x = 26,221,673.55
  5. Step 5: Solve for x
    x = 26,221,673.55/5,032.80
  6. Step 6: Final answer
    x = 5,210.16

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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.