Home / 4,442.99-6,131.21-2,928.69

Finding the Fourth Proportional to 4,442.99, 6,131.21 and 2,928.69

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Solution

The fourth proportional to 4,442.99, 6,131.21 and 2,928.69 is: 4,041.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442.99 : 6,131.21 = 2,928.69 : x
  2. Step 2: Convert to fraction form
    4,442.99/6,131.21 = 2,928.69/x
  3. Step 3: Cross multiply
    4,442.99x = 6,131.21 × 2,928.69
  4. Step 4: Simplify right side
    4,442.99x = 17,956,398.77
  5. Step 5: Solve for x
    x = 17,956,398.77/4,442.99
  6. Step 6: Final answer
    x = 4,041.52

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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.