Home / 6,880.77-10,307.87-4,109.66

Finding the Fourth Proportional to 6,880.77, 10,307.87 and 4,109.66

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Solution

The fourth proportional to 6,880.77, 10,307.87 and 4,109.66 is: 6,156.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.77 : 10,307.87 = 4,109.66 : x
  2. Step 2: Convert to fraction form
    6,880.77/10,307.87 = 4,109.66/x
  3. Step 3: Cross multiply
    6,880.77x = 10,307.87 × 4,109.66
  4. Step 4: Simplify right side
    6,880.77x = 42,361,841.02
  5. Step 5: Solve for x
    x = 42,361,841.02/6,880.77
  6. Step 6: Final answer
    x = 6,156.56

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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.