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Finding the Fourth Proportional to 7,228.53, 9,973.10 and 4,041.39

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Solution

The fourth proportional to 7,228.53, 9,973.10 and 4,041.39 is: 5,575.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228.53 : 9,973.10 = 4,041.39 : x
  2. Step 2: Convert to fraction form
    7,228.53/9,973.10 = 4,041.39/x
  3. Step 3: Cross multiply
    7,228.53x = 9,973.10 × 4,041.39
  4. Step 4: Simplify right side
    7,228.53x = 40,305,222.75
  5. Step 5: Solve for x
    x = 40,305,222.75/7,228.53
  6. Step 6: Final answer
    x = 5,575.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.