Home / 7,442.72-11,148.60-5,094.80

Finding the Fourth Proportional to 7,442.72, 11,148.60 and 5,094.80

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Solution

The fourth proportional to 7,442.72, 11,148.60 and 5,094.80 is: 7,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.72 : 11,148.60 = 5,094.80 : x
  2. Step 2: Convert to fraction form
    7,442.72/11,148.60 = 5,094.80/x
  3. Step 3: Cross multiply
    7,442.72x = 11,148.60 × 5,094.80
  4. Step 4: Simplify right side
    7,442.72x = 56,799,887.28
  5. Step 5: Solve for x
    x = 56,799,887.28/7,442.72
  6. Step 6: Final answer
    x = 7,631.60

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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.