Home / 7,135.20-10,704.62-2,973.84

Finding the Fourth Proportional to 7,135.20, 10,704.62 and 2,973.84

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Solution

The fourth proportional to 7,135.20, 10,704.62 and 2,973.84 is: 4,461.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.20 : 10,704.62 = 2,973.84 : x
  2. Step 2: Convert to fraction form
    7,135.20/10,704.62 = 2,973.84/x
  3. Step 3: Cross multiply
    7,135.20x = 10,704.62 × 2,973.84
  4. Step 4: Simplify right side
    7,135.20x = 31,833,827.14
  5. Step 5: Solve for x
    x = 31,833,827.14/7,135.20
  6. Step 6: Final answer
    x = 4,461.52

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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.