Home / 6,768.90-10,153.45-2,386.40

Finding the Fourth Proportional to 6,768.90, 10,153.45 and 2,386.40

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Solution

The fourth proportional to 6,768.90, 10,153.45 and 2,386.40 is: 3,579.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768.90 : 10,153.45 = 2,386.40 : x
  2. Step 2: Convert to fraction form
    6,768.90/10,153.45 = 2,386.40/x
  3. Step 3: Cross multiply
    6,768.90x = 10,153.45 × 2,386.40
  4. Step 4: Simplify right side
    6,768.90x = 24,230,145.30
  5. Step 5: Solve for x
    x = 24,230,145.30/6,768.90
  6. Step 6: Final answer
    x = 3,579.63

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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.