Home / 7,440.84-10,268.82-4,128.84

Finding the Fourth Proportional to 7,440.84, 10,268.82 and 4,128.84

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Solution

The fourth proportional to 7,440.84, 10,268.82 and 4,128.84 is: 5,698.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.84 : 10,268.82 = 4,128.84 : x
  2. Step 2: Convert to fraction form
    7,440.84/10,268.82 = 4,128.84/x
  3. Step 3: Cross multiply
    7,440.84x = 10,268.82 × 4,128.84
  4. Step 4: Simplify right side
    7,440.84x = 42,398,314.77
  5. Step 5: Solve for x
    x = 42,398,314.77/7,440.84
  6. Step 6: Final answer
    x = 5,698.05

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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.