Home / 7,384.90-11,069.57-2,453.21

Finding the Fourth Proportional to 7,384.90, 11,069.57 and 2,453.21

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Solution

The fourth proportional to 7,384.90, 11,069.57 and 2,453.21 is: 3,677.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.90 : 11,069.57 = 2,453.21 : x
  2. Step 2: Convert to fraction form
    7,384.90/11,069.57 = 2,453.21/x
  3. Step 3: Cross multiply
    7,384.90x = 11,069.57 × 2,453.21
  4. Step 4: Simplify right side
    7,384.90x = 27,155,967.55
  5. Step 5: Solve for x
    x = 27,155,967.55/7,384.90
  6. Step 6: Final answer
    x = 3,677.23

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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.