Home / 4,869.53-6,719.57-2,980.34

Finding the Fourth Proportional to 4,869.53, 6,719.57 and 2,980.34

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Solution

The fourth proportional to 4,869.53, 6,719.57 and 2,980.34 is: 4,112.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.53 : 6,719.57 = 2,980.34 : x
  2. Step 2: Convert to fraction form
    4,869.53/6,719.57 = 2,980.34/x
  3. Step 3: Cross multiply
    4,869.53x = 6,719.57 × 2,980.34
  4. Step 4: Simplify right side
    4,869.53x = 20,026,569.66
  5. Step 5: Solve for x
    x = 20,026,569.66/4,869.53
  6. Step 6: Final answer
    x = 4,112.63

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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.