Home / 6,078.51-9,118.98-2,130.17

Finding the Fourth Proportional to 6,078.51, 9,118.98 and 2,130.17

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Solution

The fourth proportional to 6,078.51, 9,118.98 and 2,130.17 is: 3,195.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.51 : 9,118.98 = 2,130.17 : x
  2. Step 2: Convert to fraction form
    6,078.51/9,118.98 = 2,130.17/x
  3. Step 3: Cross multiply
    6,078.51x = 9,118.98 × 2,130.17
  4. Step 4: Simplify right side
    6,078.51x = 19,424,932.03
  5. Step 5: Solve for x
    x = 19,424,932.03/6,078.51
  6. Step 6: Final answer
    x = 3,195.67

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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.