Home / 4,130.25-5,710.56-3,946.65

Finding the Fourth Proportional to 4,130.25, 5,710.56 and 3,946.65

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Solution

The fourth proportional to 4,130.25, 5,710.56 and 3,946.65 is: 5,456.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.25 : 5,710.56 = 3,946.65 : x
  2. Step 2: Convert to fraction form
    4,130.25/5,710.56 = 3,946.65/x
  3. Step 3: Cross multiply
    4,130.25x = 5,710.56 × 3,946.65
  4. Step 4: Simplify right side
    4,130.25x = 22,537,581.62
  5. Step 5: Solve for x
    x = 22,537,581.62/4,130.25
  6. Step 6: Final answer
    x = 5,456.71

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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.