Home / 4,521.78-6,782.67-1,234.98

Finding the Fourth Proportional to 4,521.78, 6,782.67 and 1,234.98

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Solution

The fourth proportional to 4,521.78, 6,782.67 and 1,234.98 is: 1,852.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,521.78 : 6,782.67 = 1,234.98 : x
  2. Step 2: Convert to fraction form
    4,521.78/6,782.67 = 1,234.98/x
  3. Step 3: Cross multiply
    4,521.78x = 6,782.67 × 1,234.98
  4. Step 4: Simplify right side
    4,521.78x = 8,376,461.80
  5. Step 5: Solve for x
    x = 8,376,461.80/4,521.78
  6. Step 6: Final answer
    x = 1,852.47

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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.