Home / 7,325.69-10,108.85-4,139.26

Finding the Fourth Proportional to 7,325.69, 10,108.85 and 4,139.26

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Solution

The fourth proportional to 7,325.69, 10,108.85 and 4,139.26 is: 5,711.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.69 : 10,108.85 = 4,139.26 : x
  2. Step 2: Convert to fraction form
    7,325.69/10,108.85 = 4,139.26/x
  3. Step 3: Cross multiply
    7,325.69x = 10,108.85 × 4,139.26
  4. Step 4: Simplify right side
    7,325.69x = 41,843,192.63
  5. Step 5: Solve for x
    x = 41,843,192.63/7,325.69
  6. Step 6: Final answer
    x = 5,711.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.