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Finding the Fourth Proportional to 7,008.03, 10,503.81 and 3,887.28

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Solution

The fourth proportional to 7,008.03, 10,503.81 and 3,887.28 is: 5,826.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.03 : 10,503.81 = 3,887.28 : x
  2. Step 2: Convert to fraction form
    7,008.03/10,503.81 = 3,887.28/x
  3. Step 3: Cross multiply
    7,008.03x = 10,503.81 × 3,887.28
  4. Step 4: Simplify right side
    7,008.03x = 40,831,250.54
  5. Step 5: Solve for x
    x = 40,831,250.54/7,008.03
  6. Step 6: Final answer
    x = 5,826.35

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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.