Home / 5,277.53-7,276.39-3,860.08

Finding the Fourth Proportional to 5,277.53, 7,276.39 and 3,860.08

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Solution

The fourth proportional to 5,277.53, 7,276.39 and 3,860.08 is: 5,322.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.53 : 7,276.39 = 3,860.08 : x
  2. Step 2: Convert to fraction form
    5,277.53/7,276.39 = 3,860.08/x
  3. Step 3: Cross multiply
    5,277.53x = 7,276.39 × 3,860.08
  4. Step 4: Simplify right side
    5,277.53x = 28,087,419.67
  5. Step 5: Solve for x
    x = 28,087,419.67/5,277.53
  6. Step 6: Final answer
    x = 5,322.07

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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.