Home / 4,369.80-6,554.70-4,078.20

Finding the Fourth Proportional to 4,369.80, 6,554.70 and 4,078.20

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Solution

The fourth proportional to 4,369.80, 6,554.70 and 4,078.20 is: 6,117.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,369.80 : 6,554.70 = 4,078.20 : x
  2. Step 2: Convert to fraction form
    4,369.80/6,554.70 = 4,078.20/x
  3. Step 3: Cross multiply
    4,369.80x = 6,554.70 × 4,078.20
  4. Step 4: Simplify right side
    4,369.80x = 26,731,377.54
  5. Step 5: Solve for x
    x = 26,731,377.54/4,369.80
  6. Step 6: Final answer
    x = 6,117.30

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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.