Home / 7,215.63-10,823.69-3,704.68

Finding the Fourth Proportional to 7,215.63, 10,823.69 and 3,704.68

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Solution

The fourth proportional to 7,215.63, 10,823.69 and 3,704.68 is: 5,557.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215.63 : 10,823.69 = 3,704.68 : x
  2. Step 2: Convert to fraction form
    7,215.63/10,823.69 = 3,704.68/x
  3. Step 3: Cross multiply
    7,215.63x = 10,823.69 × 3,704.68
  4. Step 4: Simplify right side
    7,215.63x = 40,098,307.87
  5. Step 5: Solve for x
    x = 40,098,307.87/7,215.63
  6. Step 6: Final answer
    x = 5,557.15

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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.