Home / 6,087.10-9,130.64-2,191.50

Finding the Fourth Proportional to 6,087.10, 9,130.64 and 2,191.50

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Solution

The fourth proportional to 6,087.10, 9,130.64 and 2,191.50 is: 3,287.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,087.10 : 9,130.64 = 2,191.50 : x
  2. Step 2: Convert to fraction form
    6,087.10/9,130.64 = 2,191.50/x
  3. Step 3: Cross multiply
    6,087.10x = 9,130.64 × 2,191.50
  4. Step 4: Simplify right side
    6,087.10x = 20,009,797.56
  5. Step 5: Solve for x
    x = 20,009,797.56/6,087.10
  6. Step 6: Final answer
    x = 3,287.25

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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.