Home / 4,985.94-6,880.50-2,717.30

Finding the Fourth Proportional to 4,985.94, 6,880.50 and 2,717.30

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Solution

The fourth proportional to 4,985.94, 6,880.50 and 2,717.30 is: 3,749.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.94 : 6,880.50 = 2,717.30 : x
  2. Step 2: Convert to fraction form
    4,985.94/6,880.50 = 2,717.30/x
  3. Step 3: Cross multiply
    4,985.94x = 6,880.50 × 2,717.30
  4. Step 4: Simplify right side
    4,985.94x = 18,696,348.25
  5. Step 5: Solve for x
    x = 18,696,348.25/4,985.94
  6. Step 6: Final answer
    x = 3,749.82

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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.