Home / 4,263.33-6,391.23-1,664.45

Finding the Fourth Proportional to 4,263.33, 6,391.23 and 1,664.45

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Solution

The fourth proportional to 4,263.33, 6,391.23 and 1,664.45 is: 2,495.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,263.33 : 6,391.23 = 1,664.45 : x
  2. Step 2: Convert to fraction form
    4,263.33/6,391.23 = 1,664.45/x
  3. Step 3: Cross multiply
    4,263.33x = 6,391.23 × 1,664.45
  4. Step 4: Simplify right side
    4,263.33x = 10,637,882.77
  5. Step 5: Solve for x
    x = 10,637,882.77/4,263.33
  6. Step 6: Final answer
    x = 2,495.21

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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.