Home / 4,128.32-5,693.28-3,830.24

Finding the Fourth Proportional to 4,128.32, 5,693.28 and 3,830.24

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Solution

The fourth proportional to 4,128.32, 5,693.28 and 3,830.24 is: 5,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.32 : 5,693.28 = 3,830.24 : x
  2. Step 2: Convert to fraction form
    4,128.32/5,693.28 = 3,830.24/x
  3. Step 3: Cross multiply
    4,128.32x = 5,693.28 × 3,830.24
  4. Step 4: Simplify right side
    4,128.32x = 21,806,628.79
  5. Step 5: Solve for x
    x = 21,806,628.79/4,128.32
  6. Step 6: Final answer
    x = 5,282.20

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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.