Home / 4,913.54-6,783-3,146.16

Finding the Fourth Proportional to 4,913.54, 6,783 and 3,146.16

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Solution

The fourth proportional to 4,913.54, 6,783 and 3,146.16 is: 4,343.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.54 : 6,783 = 3,146.16 : x
  2. Step 2: Convert to fraction form
    4,913.54/6,783 = 3,146.16/x
  3. Step 3: Cross multiply
    4,913.54x = 6,783 × 3,146.16
  4. Step 4: Simplify right side
    4,913.54x = 21,340,403.28
  5. Step 5: Solve for x
    x = 21,340,403.28/4,913.54
  6. Step 6: Final answer
    x = 4,343.19

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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.