Home / 8,320.23-12,476.13-2,771.63

Finding the Fourth Proportional to 8,320.23, 12,476.13 and 2,771.63

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Solution

The fourth proportional to 8,320.23, 12,476.13 and 2,771.63 is: 4,156.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.23 : 12,476.13 = 2,771.63 : x
  2. Step 2: Convert to fraction form
    8,320.23/12,476.13 = 2,771.63/x
  3. Step 3: Cross multiply
    8,320.23x = 12,476.13 × 2,771.63
  4. Step 4: Simplify right side
    8,320.23x = 34,579,153.81
  5. Step 5: Solve for x
    x = 34,579,153.81/8,320.23
  6. Step 6: Final answer
    x = 4,156.03

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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.