Home / 4,722.50-7,083.79-1,602.55

Finding the Fourth Proportional to 4,722.50, 7,083.79 and 1,602.55

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Solution

The fourth proportional to 4,722.50, 7,083.79 and 1,602.55 is: 2,403.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.50 : 7,083.79 = 1,602.55 : x
  2. Step 2: Convert to fraction form
    4,722.50/7,083.79 = 1,602.55/x
  3. Step 3: Cross multiply
    4,722.50x = 7,083.79 × 1,602.55
  4. Step 4: Simplify right side
    4,722.50x = 11,352,132.51
  5. Step 5: Solve for x
    x = 11,352,132.51/4,722.50
  6. Step 6: Final answer
    x = 2,403.84

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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.