Home / 4,880.40-6,734.96-2,642.30

Finding the Fourth Proportional to 4,880.40, 6,734.96 and 2,642.30

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Solution

The fourth proportional to 4,880.40, 6,734.96 and 2,642.30 is: 3,646.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.40 : 6,734.96 = 2,642.30 : x
  2. Step 2: Convert to fraction form
    4,880.40/6,734.96 = 2,642.30/x
  3. Step 3: Cross multiply
    4,880.40x = 6,734.96 × 2,642.30
  4. Step 4: Simplify right side
    4,880.40x = 17,795,737.92
  5. Step 5: Solve for x
    x = 17,795,737.92/4,880.40
  6. Step 6: Final answer
    x = 3,646.37

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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.