Home / 4,783.90-6,601.74-2,688.02

Finding the Fourth Proportional to 4,783.90, 6,601.74 and 2,688.02

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Solution

The fourth proportional to 4,783.90, 6,601.74 and 2,688.02 is: 3,709.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783.90 : 6,601.74 = 2,688.02 : x
  2. Step 2: Convert to fraction form
    4,783.90/6,601.74 = 2,688.02/x
  3. Step 3: Cross multiply
    4,783.90x = 6,601.74 × 2,688.02
  4. Step 4: Simplify right side
    4,783.90x = 17,745,609.15
  5. Step 5: Solve for x
    x = 17,745,609.15/4,783.90
  6. Step 6: Final answer
    x = 3,709.45

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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.