Home / 7,423.53-11,135.29-1,876.89

Finding the Fourth Proportional to 7,423.53, 11,135.29 and 1,876.89

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Solution

The fourth proportional to 7,423.53, 11,135.29 and 1,876.89 is: 2,815.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.53 : 11,135.29 = 1,876.89 : x
  2. Step 2: Convert to fraction form
    7,423.53/11,135.29 = 1,876.89/x
  3. Step 3: Cross multiply
    7,423.53x = 11,135.29 × 1,876.89
  4. Step 4: Simplify right side
    7,423.53x = 20,899,658.77
  5. Step 5: Solve for x
    x = 20,899,658.77/7,423.53
  6. Step 6: Final answer
    x = 2,815.33

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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.