Home / 7,135.28-10,686.60-6,004.40

Finding the Fourth Proportional to 7,135.28, 10,686.60 and 6,004.40

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Solution

The fourth proportional to 7,135.28, 10,686.60 and 6,004.40 is: 8,992.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.28 : 10,686.60 = 6,004.40 : x
  2. Step 2: Convert to fraction form
    7,135.28/10,686.60 = 6,004.40/x
  3. Step 3: Cross multiply
    7,135.28x = 10,686.60 × 6,004.40
  4. Step 4: Simplify right side
    7,135.28x = 64,166,621.04
  5. Step 5: Solve for x
    x = 64,166,621.04/7,135.28
  6. Step 6: Final answer
    x = 8,992.87

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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.