Home / 7,850.00-10,826.51-5,197.65

Finding the Fourth Proportional to 7,850.00, 10,826.51 and 5,197.65

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Solution

The fourth proportional to 7,850.00, 10,826.51 and 5,197.65 is: 7,168.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,850.00 : 10,826.51 = 5,197.65 : x
  2. Step 2: Convert to fraction form
    7,850.00/10,826.51 = 5,197.65/x
  3. Step 3: Cross multiply
    7,850.00x = 10,826.51 × 5,197.65
  4. Step 4: Simplify right side
    7,850.00x = 56,272,383.71
  5. Step 5: Solve for x
    x = 56,272,383.71/7,850.00
  6. Step 6: Final answer
    x = 7,168.46

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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.