Home / 7,423.90-11,139.09-3,042.34

Finding the Fourth Proportional to 7,423.90, 11,139.09 and 3,042.34

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Solution

The fourth proportional to 7,423.90, 11,139.09 and 3,042.34 is: 4,564.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.90 : 11,139.09 = 3,042.34 : x
  2. Step 2: Convert to fraction form
    7,423.90/11,139.09 = 3,042.34/x
  3. Step 3: Cross multiply
    7,423.90x = 11,139.09 × 3,042.34
  4. Step 4: Simplify right side
    7,423.90x = 33,888,899.07
  5. Step 5: Solve for x
    x = 33,888,899.07/7,423.90
  6. Step 6: Final answer
    x = 4,564.84

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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.