Home / 7,225.49-9,970.93-4,081.70

Finding the Fourth Proportional to 7,225.49, 9,970.93 and 4,081.70

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Solution

The fourth proportional to 7,225.49, 9,970.93 and 4,081.70 is: 5,632.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225.49 : 9,970.93 = 4,081.70 : x
  2. Step 2: Convert to fraction form
    7,225.49/9,970.93 = 4,081.70/x
  3. Step 3: Cross multiply
    7,225.49x = 9,970.93 × 4,081.70
  4. Step 4: Simplify right side
    7,225.49x = 40,698,344.98
  5. Step 5: Solve for x
    x = 40,698,344.98/7,225.49
  6. Step 6: Final answer
    x = 5,632.61

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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.