Home / 4,178.98-6,266.58-1,257.45

Finding the Fourth Proportional to 4,178.98, 6,266.58 and 1,257.45

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Solution

The fourth proportional to 4,178.98, 6,266.58 and 1,257.45 is: 1,885.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.98 : 6,266.58 = 1,257.45 : x
  2. Step 2: Convert to fraction form
    4,178.98/6,266.58 = 1,257.45/x
  3. Step 3: Cross multiply
    4,178.98x = 6,266.58 × 1,257.45
  4. Step 4: Simplify right side
    4,178.98x = 7,879,911.02
  5. Step 5: Solve for x
    x = 7,879,911.02/4,178.98
  6. Step 6: Final answer
    x = 1,885.61

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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.