Home / 7,283.21-10,050.90-4,139.42

Finding the Fourth Proportional to 7,283.21, 10,050.90 and 4,139.42

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Solution

The fourth proportional to 7,283.21, 10,050.90 and 4,139.42 is: 5,712.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,283.21 : 10,050.90 = 4,139.42 : x
  2. Step 2: Convert to fraction form
    7,283.21/10,050.90 = 4,139.42/x
  3. Step 3: Cross multiply
    7,283.21x = 10,050.90 × 4,139.42
  4. Step 4: Simplify right side
    7,283.21x = 41,604,896.48
  5. Step 5: Solve for x
    x = 41,604,896.48/7,283.21
  6. Step 6: Final answer
    x = 5,712.44

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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.