Home / 4,989.57-7,483.44-1,869.27

Finding the Fourth Proportional to 4,989.57, 7,483.44 and 1,869.27

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Solution

The fourth proportional to 4,989.57, 7,483.44 and 1,869.27 is: 2,803.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.57 : 7,483.44 = 1,869.27 : x
  2. Step 2: Convert to fraction form
    4,989.57/7,483.44 = 1,869.27/x
  3. Step 3: Cross multiply
    4,989.57x = 7,483.44 × 1,869.27
  4. Step 4: Simplify right side
    4,989.57x = 13,988,569.89
  5. Step 5: Solve for x
    x = 13,988,569.89/4,989.57
  6. Step 6: Final answer
    x = 2,803.56

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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.