Home / 4,980.17-6,878.32-3,384.15

Finding the Fourth Proportional to 4,980.17, 6,878.32 and 3,384.15

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Solution

The fourth proportional to 4,980.17, 6,878.32 and 3,384.15 is: 4,673.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.17 : 6,878.32 = 3,384.15 : x
  2. Step 2: Convert to fraction form
    4,980.17/6,878.32 = 3,384.15/x
  3. Step 3: Cross multiply
    4,980.17x = 6,878.32 × 3,384.15
  4. Step 4: Simplify right side
    4,980.17x = 23,277,258.17
  5. Step 5: Solve for x
    x = 23,277,258.17/4,980.17
  6. Step 6: Final answer
    x = 4,673.99

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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.