Home / 4,208.80-6,312.60-1,435.60

Finding the Fourth Proportional to 4,208.80, 6,312.60 and 1,435.60

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Solution

The fourth proportional to 4,208.80, 6,312.60 and 1,435.60 is: 2,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208.80 : 6,312.60 = 1,435.60 : x
  2. Step 2: Convert to fraction form
    4,208.80/6,312.60 = 1,435.60/x
  3. Step 3: Cross multiply
    4,208.80x = 6,312.60 × 1,435.60
  4. Step 4: Simplify right side
    4,208.80x = 9,062,368.56
  5. Step 5: Solve for x
    x = 9,062,368.56/4,208.80
  6. Step 6: Final answer
    x = 2,153.20

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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.