Home / 4,215.60-6,323.28-1,137.60

Finding the Fourth Proportional to 4,215.60, 6,323.28 and 1,137.60

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Solution

The fourth proportional to 4,215.60, 6,323.28 and 1,137.60 is: 1,706.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.60 : 6,323.28 = 1,137.60 : x
  2. Step 2: Convert to fraction form
    4,215.60/6,323.28 = 1,137.60/x
  3. Step 3: Cross multiply
    4,215.60x = 6,323.28 × 1,137.60
  4. Step 4: Simplify right side
    4,215.60x = 7,193,363.33
  5. Step 5: Solve for x
    x = 7,193,363.33/4,215.60
  6. Step 6: Final answer
    x = 1,706.37

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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.