Home / 6,768.90-10,153.35-6,276.83

Finding the Fourth Proportional to 6,768.90, 10,153.35 and 6,276.83

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Solution

The fourth proportional to 6,768.90, 10,153.35 and 6,276.83 is: 9,415.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768.90 : 10,153.35 = 6,276.83 : x
  2. Step 2: Convert to fraction form
    6,768.90/10,153.35 = 6,276.83/x
  3. Step 3: Cross multiply
    6,768.90x = 10,153.35 × 6,276.83
  4. Step 4: Simplify right side
    6,768.90x = 63,730,801.11
  5. Step 5: Solve for x
    x = 63,730,801.11/6,768.90
  6. Step 6: Final answer
    x = 9,415.24

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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.