Home / 5,225.74-7,838.39-1,330.24

Finding the Fourth Proportional to 5,225.74, 7,838.39 and 1,330.24

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Solution

The fourth proportional to 5,225.74, 7,838.39 and 1,330.24 is: 1,995.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.74 : 7,838.39 = 1,330.24 : x
  2. Step 2: Convert to fraction form
    5,225.74/7,838.39 = 1,330.24/x
  3. Step 3: Cross multiply
    5,225.74x = 7,838.39 × 1,330.24
  4. Step 4: Simplify right side
    5,225.74x = 10,426,939.91
  5. Step 5: Solve for x
    x = 10,426,939.91/5,225.74
  6. Step 6: Final answer
    x = 1,995.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.