Home / 6,281.45-8,668.40-3,486.95

Finding the Fourth Proportional to 6,281.45, 8,668.40 and 3,486.95

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Solution

The fourth proportional to 6,281.45, 8,668.40 and 3,486.95 is: 4,811.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.45 : 8,668.40 = 3,486.95 : x
  2. Step 2: Convert to fraction form
    6,281.45/8,668.40 = 3,486.95/x
  3. Step 3: Cross multiply
    6,281.45x = 8,668.40 × 3,486.95
  4. Step 4: Simplify right side
    6,281.45x = 30,226,216.60
  5. Step 5: Solve for x
    x = 30,226,216.60/6,281.45
  6. Step 6: Final answer
    x = 4,811.98

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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.