Home / 7,812.23-10,775.57-4,785.93

Finding the Fourth Proportional to 7,812.23, 10,775.57 and 4,785.93

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Solution

The fourth proportional to 7,812.23, 10,775.57 and 4,785.93 is: 6,601.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,812.23 : 10,775.57 = 4,785.93 : x
  2. Step 2: Convert to fraction form
    7,812.23/10,775.57 = 4,785.93/x
  3. Step 3: Cross multiply
    7,812.23x = 10,775.57 × 4,785.93
  4. Step 4: Simplify right side
    7,812.23x = 51,571,099.80
  5. Step 5: Solve for x
    x = 51,571,099.80/7,812.23
  6. Step 6: Final answer
    x = 6,601.33

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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.