Home / 8,271.99-12,397.81-3,823.63

Finding the Fourth Proportional to 8,271.99, 12,397.81 and 3,823.63

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Solution

The fourth proportional to 8,271.99, 12,397.81 and 3,823.63 is: 5,730.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271.99 : 12,397.81 = 3,823.63 : x
  2. Step 2: Convert to fraction form
    8,271.99/12,397.81 = 3,823.63/x
  3. Step 3: Cross multiply
    8,271.99x = 12,397.81 × 3,823.63
  4. Step 4: Simplify right side
    8,271.99x = 47,404,680.89
  5. Step 5: Solve for x
    x = 47,404,680.89/8,271.99
  6. Step 6: Final answer
    x = 5,730.75

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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.