Home / 4,109.28-5,668.98-2,782.52

Finding the Fourth Proportional to 4,109.28, 5,668.98 and 2,782.52

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Solution

The fourth proportional to 4,109.28, 5,668.98 and 2,782.52 is: 3,838.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.28 : 5,668.98 = 2,782.52 : x
  2. Step 2: Convert to fraction form
    4,109.28/5,668.98 = 2,782.52/x
  3. Step 3: Cross multiply
    4,109.28x = 5,668.98 × 2,782.52
  4. Step 4: Simplify right side
    4,109.28x = 15,774,050.23
  5. Step 5: Solve for x
    x = 15,774,050.23/4,109.28
  6. Step 6: Final answer
    x = 3,838.64

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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.