Home / 7,490.21-10,336.58-4,133.15

Finding the Fourth Proportional to 7,490.21, 10,336.58 and 4,133.15

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Solution

The fourth proportional to 7,490.21, 10,336.58 and 4,133.15 is: 5,703.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.21 : 10,336.58 = 4,133.15 : x
  2. Step 2: Convert to fraction form
    7,490.21/10,336.58 = 4,133.15/x
  3. Step 3: Cross multiply
    7,490.21x = 10,336.58 × 4,133.15
  4. Step 4: Simplify right side
    7,490.21x = 42,722,563.28
  5. Step 5: Solve for x
    x = 42,722,563.28/7,490.21
  6. Step 6: Final answer
    x = 5,703.79

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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.