Home / 7,277.94-10,915.84-3,579.18

Finding the Fourth Proportional to 7,277.94, 10,915.84 and 3,579.18

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Solution

The fourth proportional to 7,277.94, 10,915.84 and 3,579.18 is: 5,368.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277.94 : 10,915.84 = 3,579.18 : x
  2. Step 2: Convert to fraction form
    7,277.94/10,915.84 = 3,579.18/x
  3. Step 3: Cross multiply
    7,277.94x = 10,915.84 × 3,579.18
  4. Step 4: Simplify right side
    7,277.94x = 39,069,756.21
  5. Step 5: Solve for x
    x = 39,069,756.21/7,277.94
  6. Step 6: Final answer
    x = 5,368.24

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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.