Home / 4,318.48-6,477.76-1,396.79

Finding the Fourth Proportional to 4,318.48, 6,477.76 and 1,396.79

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Solution

The fourth proportional to 4,318.48, 6,477.76 and 1,396.79 is: 2,095.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.48 : 6,477.76 = 1,396.79 : x
  2. Step 2: Convert to fraction form
    4,318.48/6,477.76 = 1,396.79/x
  3. Step 3: Cross multiply
    4,318.48x = 6,477.76 × 1,396.79
  4. Step 4: Simplify right side
    4,318.48x = 9,048,058.80
  5. Step 5: Solve for x
    x = 9,048,058.80/4,318.48
  6. Step 6: Final answer
    x = 2,095.19

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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.