Home / 4,125.10-6,187.65-1,658.65

Finding the Fourth Proportional to 4,125.10, 6,187.65 and 1,658.65

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Solution

The fourth proportional to 4,125.10, 6,187.65 and 1,658.65 is: 2,487.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125.10 : 6,187.65 = 1,658.65 : x
  2. Step 2: Convert to fraction form
    4,125.10/6,187.65 = 1,658.65/x
  3. Step 3: Cross multiply
    4,125.10x = 6,187.65 × 1,658.65
  4. Step 4: Simplify right side
    4,125.10x = 10,263,145.67
  5. Step 5: Solve for x
    x = 10,263,145.67/4,125.10
  6. Step 6: Final answer
    x = 2,487.98

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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.