Home / 7,504.54-11,259.65-3,121.63

Finding the Fourth Proportional to 7,504.54, 11,259.65 and 3,121.63

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Solution

The fourth proportional to 7,504.54, 11,259.65 and 3,121.63 is: 4,683.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,504.54 : 11,259.65 = 3,121.63 : x
  2. Step 2: Convert to fraction form
    7,504.54/11,259.65 = 3,121.63/x
  3. Step 3: Cross multiply
    7,504.54x = 11,259.65 × 3,121.63
  4. Step 4: Simplify right side
    7,504.54x = 35,148,461.23
  5. Step 5: Solve for x
    x = 35,148,461.23/7,504.54
  6. Step 6: Final answer
    x = 4,683.63

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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.