Home / 4,983.86-7,475.75-1,285.77

Finding the Fourth Proportional to 4,983.86, 7,475.75 and 1,285.77

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Solution

The fourth proportional to 4,983.86, 7,475.75 and 1,285.77 is: 1,928.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.86 : 7,475.75 = 1,285.77 : x
  2. Step 2: Convert to fraction form
    4,983.86/7,475.75 = 1,285.77/x
  3. Step 3: Cross multiply
    4,983.86x = 7,475.75 × 1,285.77
  4. Step 4: Simplify right side
    4,983.86x = 9,612,088.65
  5. Step 5: Solve for x
    x = 9,612,088.65/4,983.86
  6. Step 6: Final answer
    x = 1,928.65

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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.