Home / 4,280.25-6,421.46-1,202.25

Finding the Fourth Proportional to 4,280.25, 6,421.46 and 1,202.25

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Solution

The fourth proportional to 4,280.25, 6,421.46 and 1,202.25 is: 1,803.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.25 : 6,421.46 = 1,202.25 : x
  2. Step 2: Convert to fraction form
    4,280.25/6,421.46 = 1,202.25/x
  3. Step 3: Cross multiply
    4,280.25x = 6,421.46 × 1,202.25
  4. Step 4: Simplify right side
    4,280.25x = 7,720,200.29
  5. Step 5: Solve for x
    x = 7,720,200.29/4,280.25
  6. Step 6: Final answer
    x = 1,803.68

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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.