Home / 4,886.28-6,728.58-4,777.32

Finding the Fourth Proportional to 4,886.28, 6,728.58 and 4,777.32

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Solution

The fourth proportional to 4,886.28, 6,728.58 and 4,777.32 is: 6,578.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.28 : 6,728.58 = 4,777.32 : x
  2. Step 2: Convert to fraction form
    4,886.28/6,728.58 = 4,777.32/x
  3. Step 3: Cross multiply
    4,886.28x = 6,728.58 × 4,777.32
  4. Step 4: Simplify right side
    4,886.28x = 32,144,579.81
  5. Step 5: Solve for x
    x = 32,144,579.81/4,886.28
  6. Step 6: Final answer
    x = 6,578.54

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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.