Home / 4,285.85-6,427.29-2,907.59

Finding the Fourth Proportional to 4,285.85, 6,427.29 and 2,907.59

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Solution

The fourth proportional to 4,285.85, 6,427.29 and 2,907.59 is: 4,360.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.85 : 6,427.29 = 2,907.59 : x
  2. Step 2: Convert to fraction form
    4,285.85/6,427.29 = 2,907.59/x
  3. Step 3: Cross multiply
    4,285.85x = 6,427.29 × 2,907.59
  4. Step 4: Simplify right side
    4,285.85x = 18,687,924.13
  5. Step 5: Solve for x
    x = 18,687,924.13/4,285.85
  6. Step 6: Final answer
    x = 4,360.38

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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.