Home / 7,042.70-10,564.59-2,111.98

Finding the Fourth Proportional to 7,042.70, 10,564.59 and 2,111.98

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Solution

The fourth proportional to 7,042.70, 10,564.59 and 2,111.98 is: 3,168.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.70 : 10,564.59 = 2,111.98 : x
  2. Step 2: Convert to fraction form
    7,042.70/10,564.59 = 2,111.98/x
  3. Step 3: Cross multiply
    7,042.70x = 10,564.59 × 2,111.98
  4. Step 4: Simplify right side
    7,042.70x = 22,312,202.79
  5. Step 5: Solve for x
    x = 22,312,202.79/7,042.70
  6. Step 6: Final answer
    x = 3,168.13

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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.