Home / 6,880.77-9,503.27-4,638.78

Finding the Fourth Proportional to 6,880.77, 9,503.27 and 4,638.78

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Solution

The fourth proportional to 6,880.77, 9,503.27 and 4,638.78 is: 6,406.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.77 : 9,503.27 = 4,638.78 : x
  2. Step 2: Convert to fraction form
    6,880.77/9,503.27 = 4,638.78/x
  3. Step 3: Cross multiply
    6,880.77x = 9,503.27 × 4,638.78
  4. Step 4: Simplify right side
    6,880.77x = 44,083,555.62
  5. Step 5: Solve for x
    x = 44,083,555.62/6,880.77
  6. Step 6: Final answer
    x = 6,406.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.