Home / 7,211.07-10,807.83-4,578.57

Finding the Fourth Proportional to 7,211.07, 10,807.83 and 4,578.57

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Solution

The fourth proportional to 7,211.07, 10,807.83 and 4,578.57 is: 6,862.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.07 : 10,807.83 = 4,578.57 : x
  2. Step 2: Convert to fraction form
    7,211.07/10,807.83 = 4,578.57/x
  3. Step 3: Cross multiply
    7,211.07x = 10,807.83 × 4,578.57
  4. Step 4: Simplify right side
    7,211.07x = 49,484,406.20
  5. Step 5: Solve for x
    x = 49,484,406.20/7,211.07
  6. Step 6: Final answer
    x = 6,862.28

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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.