Home / 5,226.04-7,838.94-1,330.45

Finding the Fourth Proportional to 5,226.04, 7,838.94 and 1,330.45

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Solution

The fourth proportional to 5,226.04, 7,838.94 and 1,330.45 is: 1,995.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.04 : 7,838.94 = 1,330.45 : x
  2. Step 2: Convert to fraction form
    5,226.04/7,838.94 = 1,330.45/x
  3. Step 3: Cross multiply
    5,226.04x = 7,838.94 × 1,330.45
  4. Step 4: Simplify right side
    5,226.04x = 10,429,317.72
  5. Step 5: Solve for x
    x = 10,429,317.72/5,226.04
  6. Step 6: Final answer
    x = 1,995.64

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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.