Home / 6,880.60-9,495.05-3,897.17

Finding the Fourth Proportional to 6,880.60, 9,495.05 and 3,897.17

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Solution

The fourth proportional to 6,880.60, 9,495.05 and 3,897.17 is: 5,377.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.60 : 9,495.05 = 3,897.17 : x
  2. Step 2: Convert to fraction form
    6,880.60/9,495.05 = 3,897.17/x
  3. Step 3: Cross multiply
    6,880.60x = 9,495.05 × 3,897.17
  4. Step 4: Simplify right side
    6,880.60x = 37,003,824.01
  5. Step 5: Solve for x
    x = 37,003,824.01/6,880.60
  6. Step 6: Final answer
    x = 5,377.99

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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.