Home / 7,053.36-9,733.68-3,909.60

Finding the Fourth Proportional to 7,053.36, 9,733.68 and 3,909.60

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Solution

The fourth proportional to 7,053.36, 9,733.68 and 3,909.60 is: 5,395.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,053.36 : 9,733.68 = 3,909.60 : x
  2. Step 2: Convert to fraction form
    7,053.36/9,733.68 = 3,909.60/x
  3. Step 3: Cross multiply
    7,053.36x = 9,733.68 × 3,909.60
  4. Step 4: Simplify right side
    7,053.36x = 38,054,795.33
  5. Step 5: Solve for x
    x = 38,054,795.33/7,053.36
  6. Step 6: Final answer
    x = 5,395.27

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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.