Home / 4,916.47-6,784.84-2,678.46

Finding the Fourth Proportional to 4,916.47, 6,784.84 and 2,678.46

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Solution

The fourth proportional to 4,916.47, 6,784.84 and 2,678.46 is: 3,696.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.47 : 6,784.84 = 2,678.46 : x
  2. Step 2: Convert to fraction form
    4,916.47/6,784.84 = 2,678.46/x
  3. Step 3: Cross multiply
    4,916.47x = 6,784.84 × 2,678.46
  4. Step 4: Simplify right side
    4,916.47x = 18,172,900.45
  5. Step 5: Solve for x
    x = 18,172,900.45/4,916.47
  6. Step 6: Final answer
    x = 3,696.33

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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.