Home / 4,147.72-6,220.87-1,925.89

Finding the Fourth Proportional to 4,147.72, 6,220.87 and 1,925.89

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Solution

The fourth proportional to 4,147.72, 6,220.87 and 1,925.89 is: 2,888.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.72 : 6,220.87 = 1,925.89 : x
  2. Step 2: Convert to fraction form
    4,147.72/6,220.87 = 1,925.89/x
  3. Step 3: Cross multiply
    4,147.72x = 6,220.87 × 1,925.89
  4. Step 4: Simplify right side
    4,147.72x = 11,980,690.96
  5. Step 5: Solve for x
    x = 11,980,690.96/4,147.72
  6. Step 6: Final answer
    x = 2,888.50

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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.