Home / 7,612.89-10,500.23-5,090.55

Finding the Fourth Proportional to 7,612.89, 10,500.23 and 5,090.55

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Solution

The fourth proportional to 7,612.89, 10,500.23 and 5,090.55 is: 7,021.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,612.89 : 10,500.23 = 5,090.55 : x
  2. Step 2: Convert to fraction form
    7,612.89/10,500.23 = 5,090.55/x
  3. Step 3: Cross multiply
    7,612.89x = 10,500.23 × 5,090.55
  4. Step 4: Simplify right side
    7,612.89x = 53,451,920.37
  5. Step 5: Solve for x
    x = 53,451,920.37/7,612.89
  6. Step 6: Final answer
    x = 7,021.24

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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.