Home / 4,317.79-6,474.55-1,395.72

Finding the Fourth Proportional to 4,317.79, 6,474.55 and 1,395.72

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Solution

The fourth proportional to 4,317.79, 6,474.55 and 1,395.72 is: 2,092.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,317.79 : 6,474.55 = 1,395.72 : x
  2. Step 2: Convert to fraction form
    4,317.79/6,474.55 = 1,395.72/x
  3. Step 3: Cross multiply
    4,317.79x = 6,474.55 × 1,395.72
  4. Step 4: Simplify right side
    4,317.79x = 9,036,658.93
  5. Step 5: Solve for x
    x = 9,036,658.93/4,317.79
  6. Step 6: Final answer
    x = 2,092.89

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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.