Home / 4,283.85-6,424.30-2,905.59

Finding the Fourth Proportional to 4,283.85, 6,424.30 and 2,905.59

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Solution

The fourth proportional to 4,283.85, 6,424.30 and 2,905.59 is: 4,357.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.85 : 6,424.30 = 2,905.59 : x
  2. Step 2: Convert to fraction form
    4,283.85/6,424.30 = 2,905.59/x
  3. Step 3: Cross multiply
    4,283.85x = 6,424.30 × 2,905.59
  4. Step 4: Simplify right side
    4,283.85x = 18,666,374.57
  5. Step 5: Solve for x
    x = 18,666,374.57/4,283.85
  6. Step 6: Final answer
    x = 4,357.38

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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.