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Finding the Fourth Proportional to 7,487.04, 11,224.46 and 2,804.42

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Solution

The fourth proportional to 7,487.04, 11,224.46 and 2,804.42 is: 4,204.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.04 : 11,224.46 = 2,804.42 : x
  2. Step 2: Convert to fraction form
    7,487.04/11,224.46 = 2,804.42/x
  3. Step 3: Cross multiply
    7,487.04x = 11,224.46 × 2,804.42
  4. Step 4: Simplify right side
    7,487.04x = 31,478,100.11
  5. Step 5: Solve for x
    x = 31,478,100.11/7,487.04
  6. Step 6: Final answer
    x = 4,204.35

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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.