Home / 7,064.05-9,748.85-4,080.01

Finding the Fourth Proportional to 7,064.05, 9,748.85 and 4,080.01

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Solution

The fourth proportional to 7,064.05, 9,748.85 and 4,080.01 is: 5,630.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,064.05 : 9,748.85 = 4,080.01 : x
  2. Step 2: Convert to fraction form
    7,064.05/9,748.85 = 4,080.01/x
  3. Step 3: Cross multiply
    7,064.05x = 9,748.85 × 4,080.01
  4. Step 4: Simplify right side
    7,064.05x = 39,775,405.49
  5. Step 5: Solve for x
    x = 39,775,405.49/7,064.05
  6. Step 6: Final answer
    x = 5,630.68

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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.