Home / 5,300.15-7,950.39-2,666.22

Finding the Fourth Proportional to 5,300.15, 7,950.39 and 2,666.22

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Solution

The fourth proportional to 5,300.15, 7,950.39 and 2,666.22 is: 3,999.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,300.15 : 7,950.39 = 2,666.22 : x
  2. Step 2: Convert to fraction form
    5,300.15/7,950.39 = 2,666.22/x
  3. Step 3: Cross multiply
    5,300.15x = 7,950.39 × 2,666.22
  4. Step 4: Simplify right side
    5,300.15x = 21,197,459.89
  5. Step 5: Solve for x
    x = 21,197,459.89/5,300.15
  6. Step 6: Final answer
    x = 3,999.41

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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.