Home / 7,039.86-10,564.45-3,755.32

Finding the Fourth Proportional to 7,039.86, 10,564.45 and 3,755.32

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Solution

The fourth proportional to 7,039.86, 10,564.45 and 3,755.32 is: 5,635.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.86 : 10,564.45 = 3,755.32 : x
  2. Step 2: Convert to fraction form
    7,039.86/10,564.45 = 3,755.32/x
  3. Step 3: Cross multiply
    7,039.86x = 10,564.45 × 3,755.32
  4. Step 4: Simplify right side
    7,039.86x = 39,672,890.37
  5. Step 5: Solve for x
    x = 39,672,890.37/7,039.86
  6. Step 6: Final answer
    x = 5,635.47

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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.