Home / 4,521.21-6,780.73-1,234.32

Finding the Fourth Proportional to 4,521.21, 6,780.73 and 1,234.32

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Solution

The fourth proportional to 4,521.21, 6,780.73 and 1,234.32 is: 1,851.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,521.21 : 6,780.73 = 1,234.32 : x
  2. Step 2: Convert to fraction form
    4,521.21/6,780.73 = 1,234.32/x
  3. Step 3: Cross multiply
    4,521.21x = 6,780.73 × 1,234.32
  4. Step 4: Simplify right side
    4,521.21x = 8,369,590.65
  5. Step 5: Solve for x
    x = 8,369,590.65/4,521.21
  6. Step 6: Final answer
    x = 1,851.18

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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.