Home / 4,880-6,734.40-3,554.82

Finding the Fourth Proportional to 4,880, 6,734.40 and 3,554.82

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Solution

The fourth proportional to 4,880, 6,734.40 and 3,554.82 is: 4,905.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880 : 6,734.40 = 3,554.82 : x
  2. Step 2: Convert to fraction form
    4,880/6,734.40 = 3,554.82/x
  3. Step 3: Cross multiply
    4,880x = 6,734.40 × 3,554.82
  4. Step 4: Simplify right side
    4,880x = 23,939,579.81
  5. Step 5: Solve for x
    x = 23,939,579.81/4,880
  6. Step 6: Final answer
    x = 4,905.65

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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.