Home / 7,038.42-10,557.62-3,338.63

Finding the Fourth Proportional to 7,038.42, 10,557.62 and 3,338.63

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Solution

The fourth proportional to 7,038.42, 10,557.62 and 3,338.63 is: 5,007.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038.42 : 10,557.62 = 3,338.63 : x
  2. Step 2: Convert to fraction form
    7,038.42/10,557.62 = 3,338.63/x
  3. Step 3: Cross multiply
    7,038.42x = 10,557.62 × 3,338.63
  4. Step 4: Simplify right side
    7,038.42x = 35,247,986.86
  5. Step 5: Solve for x
    x = 35,247,986.86/7,038.42
  6. Step 6: Final answer
    x = 5,007.94

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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.