Home / 4,156.65-6,235.38-1,935

Finding the Fourth Proportional to 4,156.65, 6,235.38 and 1,935

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Solution

The fourth proportional to 4,156.65, 6,235.38 and 1,935 is: 2,902.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.65 : 6,235.38 = 1,935 : x
  2. Step 2: Convert to fraction form
    4,156.65/6,235.38 = 1,935/x
  3. Step 3: Cross multiply
    4,156.65x = 6,235.38 × 1,935
  4. Step 4: Simplify right side
    4,156.65x = 12,065,460.30
  5. Step 5: Solve for x
    x = 12,065,460.30/4,156.65
  6. Step 6: Final answer
    x = 2,902.69

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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.