Home / 4,242.36-6,362.53-1,280.19

Finding the Fourth Proportional to 4,242.36, 6,362.53 and 1,280.19

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Solution

The fourth proportional to 4,242.36, 6,362.53 and 1,280.19 is: 1,919.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.36 : 6,362.53 = 1,280.19 : x
  2. Step 2: Convert to fraction form
    4,242.36/6,362.53 = 1,280.19/x
  3. Step 3: Cross multiply
    4,242.36x = 6,362.53 × 1,280.19
  4. Step 4: Simplify right side
    4,242.36x = 8,145,247.28
  5. Step 5: Solve for x
    x = 8,145,247.28/4,242.36
  6. Step 6: Final answer
    x = 1,919.98

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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.