Home / 5,284.32-7,928.40-2,475.66

Finding the Fourth Proportional to 5,284.32, 7,928.40 and 2,475.66

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Solution

The fourth proportional to 5,284.32, 7,928.40 and 2,475.66 is: 3,714.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.32 : 7,928.40 = 2,475.66 : x
  2. Step 2: Convert to fraction form
    5,284.32/7,928.40 = 2,475.66/x
  3. Step 3: Cross multiply
    5,284.32x = 7,928.40 × 2,475.66
  4. Step 4: Simplify right side
    5,284.32x = 19,628,022.74
  5. Step 5: Solve for x
    x = 19,628,022.74/5,284.32
  6. Step 6: Final answer
    x = 3,714.39

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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.