Home / 7,445.54-11,167.61-2,515.22

Finding the Fourth Proportional to 7,445.54, 11,167.61 and 2,515.22

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Solution

The fourth proportional to 7,445.54, 11,167.61 and 2,515.22 is: 3,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.54 : 11,167.61 = 2,515.22 : x
  2. Step 2: Convert to fraction form
    7,445.54/11,167.61 = 2,515.22/x
  3. Step 3: Cross multiply
    7,445.54x = 11,167.61 × 2,515.22
  4. Step 4: Simplify right side
    7,445.54x = 28,089,009.29
  5. Step 5: Solve for x
    x = 28,089,009.29/7,445.54
  6. Step 6: Final answer
    x = 3,772.60

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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.