Home / 7,454.63-11,157.62-5,479.74

Finding the Fourth Proportional to 7,454.63, 11,157.62 and 5,479.74

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Solution

The fourth proportional to 7,454.63, 11,157.62 and 5,479.74 is: 8,201.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.63 : 11,157.62 = 5,479.74 : x
  2. Step 2: Convert to fraction form
    7,454.63/11,157.62 = 5,479.74/x
  3. Step 3: Cross multiply
    7,454.63x = 11,157.62 × 5,479.74
  4. Step 4: Simplify right side
    7,454.63x = 61,140,829.22
  5. Step 5: Solve for x
    x = 61,140,829.22/7,454.63
  6. Step 6: Final answer
    x = 8,201.72

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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.