Home / 4,545.69-6,290.78-4,436.43

Finding the Fourth Proportional to 4,545.69, 6,290.78 and 4,436.43

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Solution

The fourth proportional to 4,545.69, 6,290.78 and 4,436.43 is: 6,139.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545.69 : 6,290.78 = 4,436.43 : x
  2. Step 2: Convert to fraction form
    4,545.69/6,290.78 = 4,436.43/x
  3. Step 3: Cross multiply
    4,545.69x = 6,290.78 × 4,436.43
  4. Step 4: Simplify right side
    4,545.69x = 27,908,582.93
  5. Step 5: Solve for x
    x = 27,908,582.93/4,545.69
  6. Step 6: Final answer
    x = 6,139.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.