Home / 6,281.63-8,668.67-3,487.13

Finding the Fourth Proportional to 6,281.63, 8,668.67 and 3,487.13

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Solution

The fourth proportional to 6,281.63, 8,668.67 and 3,487.13 is: 4,812.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.63 : 8,668.67 = 3,487.13 : x
  2. Step 2: Convert to fraction form
    6,281.63/8,668.67 = 3,487.13/x
  3. Step 3: Cross multiply
    6,281.63x = 8,668.67 × 3,487.13
  4. Step 4: Simplify right side
    6,281.63x = 30,228,779.22
  5. Step 5: Solve for x
    x = 30,228,779.22/6,281.63
  6. Step 6: Final answer
    x = 4,812.25

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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.