Home / 4,647.59-6,412.72-2,658.81

Finding the Fourth Proportional to 4,647.59, 6,412.72 and 2,658.81

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Solution

The fourth proportional to 4,647.59, 6,412.72 and 2,658.81 is: 3,668.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.59 : 6,412.72 = 2,658.81 : x
  2. Step 2: Convert to fraction form
    4,647.59/6,412.72 = 2,658.81/x
  3. Step 3: Cross multiply
    4,647.59x = 6,412.72 × 2,658.81
  4. Step 4: Simplify right side
    4,647.59x = 17,050,190.77
  5. Step 5: Solve for x
    x = 17,050,190.77/4,647.59
  6. Step 6: Final answer
    x = 3,668.61

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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.