Home / 6,783.10-10,172.55-2,399.53

Finding the Fourth Proportional to 6,783.10, 10,172.55 and 2,399.53

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Solution

The fourth proportional to 6,783.10, 10,172.55 and 2,399.53 is: 3,598.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,783.10 : 10,172.55 = 2,399.53 : x
  2. Step 2: Convert to fraction form
    6,783.10/10,172.55 = 2,399.53/x
  3. Step 3: Cross multiply
    6,783.10x = 10,172.55 × 2,399.53
  4. Step 4: Simplify right side
    6,783.10x = 24,409,338.90
  5. Step 5: Solve for x
    x = 24,409,338.90/6,783.10
  6. Step 6: Final answer
    x = 3,598.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.