Home / 4,191.90-6,290.36-1,558.96

Finding the Fourth Proportional to 4,191.90, 6,290.36 and 1,558.96

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Solution

The fourth proportional to 4,191.90, 6,290.36 and 1,558.96 is: 2,339.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.90 : 6,290.36 = 1,558.96 : x
  2. Step 2: Convert to fraction form
    4,191.90/6,290.36 = 1,558.96/x
  3. Step 3: Cross multiply
    4,191.90x = 6,290.36 × 1,558.96
  4. Step 4: Simplify right side
    4,191.90x = 9,806,419.63
  5. Step 5: Solve for x
    x = 9,806,419.63/4,191.90
  6. Step 6: Final answer
    x = 2,339.37

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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.