Home / 4,571.65-6,857.48-1,108.90

Finding the Fourth Proportional to 4,571.65, 6,857.48 and 1,108.90

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Solution

The fourth proportional to 4,571.65, 6,857.48 and 1,108.90 is: 1,663.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,571.65 : 6,857.48 = 1,108.90 : x
  2. Step 2: Convert to fraction form
    4,571.65/6,857.48 = 1,108.90/x
  3. Step 3: Cross multiply
    4,571.65x = 6,857.48 × 1,108.90
  4. Step 4: Simplify right side
    4,571.65x = 7,604,270.92
  5. Step 5: Solve for x
    x = 7,604,270.92/4,571.65
  6. Step 6: Final answer
    x = 1,663.35

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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.