Home / 7,090.04-9,783.83-4,105.66

Finding the Fourth Proportional to 7,090.04, 9,783.83 and 4,105.66

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Solution

The fourth proportional to 7,090.04, 9,783.83 and 4,105.66 is: 5,665.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.04 : 9,783.83 = 4,105.66 : x
  2. Step 2: Convert to fraction form
    7,090.04/9,783.83 = 4,105.66/x
  3. Step 3: Cross multiply
    7,090.04x = 9,783.83 × 4,105.66
  4. Step 4: Simplify right side
    7,090.04x = 40,169,079.48
  5. Step 5: Solve for x
    x = 40,169,079.48/7,090.04
  6. Step 6: Final answer
    x = 5,665.56

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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.