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Finding the Fourth Proportional to 7,602.07, 11,403.71 and 2,672.81

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Solution

The fourth proportional to 7,602.07, 11,403.71 and 2,672.81 is: 4,009.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,602.07 : 11,403.71 = 2,672.81 : x
  2. Step 2: Convert to fraction form
    7,602.07/11,403.71 = 2,672.81/x
  3. Step 3: Cross multiply
    7,602.07x = 11,403.71 × 2,672.81
  4. Step 4: Simplify right side
    7,602.07x = 30,480,011.71
  5. Step 5: Solve for x
    x = 30,480,011.71/7,602.07
  6. Step 6: Final answer
    x = 4,009.44

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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.