Home / 7,350.48-11,026.80-2,420.64

Finding the Fourth Proportional to 7,350.48, 11,026.80 and 2,420.64

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Solution

The fourth proportional to 7,350.48, 11,026.80 and 2,420.64 is: 3,631.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.48 : 11,026.80 = 2,420.64 : x
  2. Step 2: Convert to fraction form
    7,350.48/11,026.80 = 2,420.64/x
  3. Step 3: Cross multiply
    7,350.48x = 11,026.80 × 2,420.64
  4. Step 4: Simplify right side
    7,350.48x = 26,691,913.15
  5. Step 5: Solve for x
    x = 26,691,913.15/7,350.48
  6. Step 6: Final answer
    x = 3,631.32

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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.