Home / 7,490.42-10,336.70-4,133.26

Finding the Fourth Proportional to 7,490.42, 10,336.70 and 4,133.26

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Solution

The fourth proportional to 7,490.42, 10,336.70 and 4,133.26 is: 5,703.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.42 : 10,336.70 = 4,133.26 : x
  2. Step 2: Convert to fraction form
    7,490.42/10,336.70 = 4,133.26/x
  3. Step 3: Cross multiply
    7,490.42x = 10,336.70 × 4,133.26
  4. Step 4: Simplify right side
    7,490.42x = 42,724,253.13
  5. Step 5: Solve for x
    x = 42,724,253.13/7,490.42
  6. Step 6: Final answer
    x = 5,703.86

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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.