Home / 4,983.33-7,475.45-1,285.57

Finding the Fourth Proportional to 4,983.33, 7,475.45 and 1,285.57

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Solution

The fourth proportional to 4,983.33, 7,475.45 and 1,285.57 is: 1,928.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.33 : 7,475.45 = 1,285.57 : x
  2. Step 2: Convert to fraction form
    4,983.33/7,475.45 = 1,285.57/x
  3. Step 3: Cross multiply
    4,983.33x = 7,475.45 × 1,285.57
  4. Step 4: Simplify right side
    4,983.33x = 9,610,214.26
  5. Step 5: Solve for x
    x = 9,610,214.26/4,983.33
  6. Step 6: Final answer
    x = 1,928.47

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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.