Home / 7,090.11-9,783.36-4,104.86

Finding the Fourth Proportional to 7,090.11, 9,783.36 and 4,104.86

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Solution

The fourth proportional to 7,090.11, 9,783.36 and 4,104.86 is: 5,664.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.11 : 9,783.36 = 4,104.86 : x
  2. Step 2: Convert to fraction form
    7,090.11/9,783.36 = 4,104.86/x
  3. Step 3: Cross multiply
    7,090.11x = 9,783.36 × 4,104.86
  4. Step 4: Simplify right side
    7,090.11x = 40,159,274.21
  5. Step 5: Solve for x
    x = 40,159,274.21/7,090.11
  6. Step 6: Final answer
    x = 5,664.13

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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.