Home / 8,423.83-12,611.29-4,903.11

Finding the Fourth Proportional to 8,423.83, 12,611.29 and 4,903.11

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Solution

The fourth proportional to 8,423.83, 12,611.29 and 4,903.11 is: 7,340.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.83 : 12,611.29 = 4,903.11 : x
  2. Step 2: Convert to fraction form
    8,423.83/12,611.29 = 4,903.11/x
  3. Step 3: Cross multiply
    8,423.83x = 12,611.29 × 4,903.11
  4. Step 4: Simplify right side
    8,423.83x = 61,834,542.11
  5. Step 5: Solve for x
    x = 61,834,542.11/8,423.83
  6. Step 6: Final answer
    x = 7,340.43

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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.