Home / 7,216.58-10,828.67-5,121.74

Finding the Fourth Proportional to 7,216.58, 10,828.67 and 5,121.74

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Solution

The fourth proportional to 7,216.58, 10,828.67 and 5,121.74 is: 7,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.58 : 10,828.67 = 5,121.74 : x
  2. Step 2: Convert to fraction form
    7,216.58/10,828.67 = 5,121.74/x
  3. Step 3: Cross multiply
    7,216.58x = 10,828.67 × 5,121.74
  4. Step 4: Simplify right side
    7,216.58x = 55,461,552.53
  5. Step 5: Solve for x
    x = 55,461,552.53/7,216.58
  6. Step 6: Final answer
    x = 7,685.30

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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.