Home / 4,192.30-6,277.65-3,090.70

Finding the Fourth Proportional to 4,192.30, 6,277.65 and 3,090.70

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Solution

The fourth proportional to 4,192.30, 6,277.65 and 3,090.70 is: 4,628.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.30 : 6,277.65 = 3,090.70 : x
  2. Step 2: Convert to fraction form
    4,192.30/6,277.65 = 3,090.70/x
  3. Step 3: Cross multiply
    4,192.30x = 6,277.65 × 3,090.70
  4. Step 4: Simplify right side
    4,192.30x = 19,402,332.86
  5. Step 5: Solve for x
    x = 19,402,332.86/4,192.30
  6. Step 6: Final answer
    x = 4,628.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.