Home / 4,521.84-6,778.10-1,890.89

Finding the Fourth Proportional to 4,521.84, 6,778.10 and 1,890.89

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Solution

The fourth proportional to 4,521.84, 6,778.10 and 1,890.89 is: 2,834.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,521.84 : 6,778.10 = 1,890.89 : x
  2. Step 2: Convert to fraction form
    4,521.84/6,778.10 = 1,890.89/x
  3. Step 3: Cross multiply
    4,521.84x = 6,778.10 × 1,890.89
  4. Step 4: Simplify right side
    4,521.84x = 12,816,598.16
  5. Step 5: Solve for x
    x = 12,816,598.16/4,521.84
  6. Step 6: Final answer
    x = 2,834.38

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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.