Home / 4,189.85-6,285.80-1,558.10

Finding the Fourth Proportional to 4,189.85, 6,285.80 and 1,558.10

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Solution

The fourth proportional to 4,189.85, 6,285.80 and 1,558.10 is: 2,337.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.85 : 6,285.80 = 1,558.10 : x
  2. Step 2: Convert to fraction form
    4,189.85/6,285.80 = 1,558.10/x
  3. Step 3: Cross multiply
    4,189.85x = 6,285.80 × 1,558.10
  4. Step 4: Simplify right side
    4,189.85x = 9,793,865.76
  5. Step 5: Solve for x
    x = 9,793,865.76/4,189.85
  6. Step 6: Final answer
    x = 2,337.52

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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.