Home / 6,281.39-8,668.32-3,486.89

Finding the Fourth Proportional to 6,281.39, 8,668.32 and 3,486.89

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Solution

The fourth proportional to 6,281.39, 8,668.32 and 3,486.89 is: 4,811.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.39 : 8,668.32 = 3,486.89 : x
  2. Step 2: Convert to fraction form
    6,281.39/8,668.32 = 3,486.89/x
  3. Step 3: Cross multiply
    6,281.39x = 8,668.32 × 3,486.89
  4. Step 4: Simplify right side
    6,281.39x = 30,225,478.32
  5. Step 5: Solve for x
    x = 30,225,478.32/6,281.39
  6. Step 6: Final answer
    x = 4,811.91

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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.