Home / 5,453.06-8,179.42-1,557.47

Finding the Fourth Proportional to 5,453.06, 8,179.42 and 1,557.47

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Solution

The fourth proportional to 5,453.06, 8,179.42 and 1,557.47 is: 2,336.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.06 : 8,179.42 = 1,557.47 : x
  2. Step 2: Convert to fraction form
    5,453.06/8,179.42 = 1,557.47/x
  3. Step 3: Cross multiply
    5,453.06x = 8,179.42 × 1,557.47
  4. Step 4: Simplify right side
    5,453.06x = 12,739,152.58
  5. Step 5: Solve for x
    x = 12,739,152.58/5,453.06
  6. Step 6: Final answer
    x = 2,336.15

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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.