Home / 7,225.59-9,969.57-4,081.77

Finding the Fourth Proportional to 7,225.59, 9,969.57 and 4,081.77

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Solution

The fourth proportional to 7,225.59, 9,969.57 and 4,081.77 is: 5,631.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225.59 : 9,969.57 = 4,081.77 : x
  2. Step 2: Convert to fraction form
    7,225.59/9,969.57 = 4,081.77/x
  3. Step 3: Cross multiply
    7,225.59x = 9,969.57 × 4,081.77
  4. Step 4: Simplify right side
    7,225.59x = 40,693,491.74
  5. Step 5: Solve for x
    x = 40,693,491.74/7,225.59
  6. Step 6: Final answer
    x = 5,631.86

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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.