Home / 7,590.08-11,388.60-3,431.18

Finding the Fourth Proportional to 7,590.08, 11,388.60 and 3,431.18

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Solution

The fourth proportional to 7,590.08, 11,388.60 and 3,431.18 is: 5,148.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,590.08 : 11,388.60 = 3,431.18 : x
  2. Step 2: Convert to fraction form
    7,590.08/11,388.60 = 3,431.18/x
  3. Step 3: Cross multiply
    7,590.08x = 11,388.60 × 3,431.18
  4. Step 4: Simplify right side
    7,590.08x = 39,076,336.55
  5. Step 5: Solve for x
    x = 39,076,336.55/7,590.08
  6. Step 6: Final answer
    x = 5,148.34

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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.