Home / 4,369.61-6,556.53-2,178.65

Finding the Fourth Proportional to 4,369.61, 6,556.53 and 2,178.65

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Solution

The fourth proportional to 4,369.61, 6,556.53 and 2,178.65 is: 3,269.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,369.61 : 6,556.53 = 2,178.65 : x
  2. Step 2: Convert to fraction form
    4,369.61/6,556.53 = 2,178.65/x
  3. Step 3: Cross multiply
    4,369.61x = 6,556.53 × 2,178.65
  4. Step 4: Simplify right side
    4,369.61x = 14,284,384.08
  5. Step 5: Solve for x
    x = 14,284,384.08/4,369.61
  6. Step 6: Final answer
    x = 3,269.03

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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.