Home / 7,409.89-10,225.77-4,425.98

Finding the Fourth Proportional to 7,409.89, 10,225.77 and 4,425.98

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Solution

The fourth proportional to 7,409.89, 10,225.77 and 4,425.98 is: 6,107.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.89 : 10,225.77 = 4,425.98 : x
  2. Step 2: Convert to fraction form
    7,409.89/10,225.77 = 4,425.98/x
  3. Step 3: Cross multiply
    7,409.89x = 10,225.77 × 4,425.98
  4. Step 4: Simplify right side
    7,409.89x = 45,259,079.07
  5. Step 5: Solve for x
    x = 45,259,079.07/7,409.89
  6. Step 6: Final answer
    x = 6,107.93

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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.