Home / 7,053.40-9,733.68-3,909.64

Finding the Fourth Proportional to 7,053.40, 9,733.68 and 3,909.64

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Solution

The fourth proportional to 7,053.40, 9,733.68 and 3,909.64 is: 5,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,053.40 : 9,733.68 = 3,909.64 : x
  2. Step 2: Convert to fraction form
    7,053.40/9,733.68 = 3,909.64/x
  3. Step 3: Cross multiply
    7,053.40x = 9,733.68 × 3,909.64
  4. Step 4: Simplify right side
    7,053.40x = 38,055,184.68
  5. Step 5: Solve for x
    x = 38,055,184.68/7,053.40
  6. Step 6: Final answer
    x = 5,395.30

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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.