Home / 5,285.75-7,294.67-3,047.77

Finding the Fourth Proportional to 5,285.75, 7,294.67 and 3,047.77

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Solution

The fourth proportional to 5,285.75, 7,294.67 and 3,047.77 is: 4,206.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.75 : 7,294.67 = 3,047.77 : x
  2. Step 2: Convert to fraction form
    5,285.75/7,294.67 = 3,047.77/x
  3. Step 3: Cross multiply
    5,285.75x = 7,294.67 × 3,047.77
  4. Step 4: Simplify right side
    5,285.75x = 22,232,481.69
  5. Step 5: Solve for x
    x = 22,232,481.69/5,285.75
  6. Step 6: Final answer
    x = 4,206.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.