Home / 5,825.64-8,039.40-3,467.76

Finding the Fourth Proportional to 5,825.64, 8,039.40 and 3,467.76

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Solution

The fourth proportional to 5,825.64, 8,039.40 and 3,467.76 is: 4,785.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.64 : 8,039.40 = 3,467.76 : x
  2. Step 2: Convert to fraction form
    5,825.64/8,039.40 = 3,467.76/x
  3. Step 3: Cross multiply
    5,825.64x = 8,039.40 × 3,467.76
  4. Step 4: Simplify right side
    5,825.64x = 27,878,709.74
  5. Step 5: Solve for x
    x = 27,878,709.74/5,825.64
  6. Step 6: Final answer
    x = 4,785.52

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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.