Home / 7,489.77-10,336.55-4,133.31

Finding the Fourth Proportional to 7,489.77, 10,336.55 and 4,133.31

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Solution

The fourth proportional to 7,489.77, 10,336.55 and 4,133.31 is: 5,704.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.77 : 10,336.55 = 4,133.31 : x
  2. Step 2: Convert to fraction form
    7,489.77/10,336.55 = 4,133.31/x
  3. Step 3: Cross multiply
    7,489.77x = 10,336.55 × 4,133.31
  4. Step 4: Simplify right side
    7,489.77x = 42,724,144.81
  5. Step 5: Solve for x
    x = 42,724,144.81/7,489.77
  6. Step 6: Final answer
    x = 5,704.33

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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.