Home / 8,678.22-13,014.06-3,130.08

Finding the Fourth Proportional to 8,678.22, 13,014.06 and 3,130.08

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Solution

The fourth proportional to 8,678.22, 13,014.06 and 3,130.08 is: 4,693.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678.22 : 13,014.06 = 3,130.08 : x
  2. Step 2: Convert to fraction form
    8,678.22/13,014.06 = 3,130.08/x
  3. Step 3: Cross multiply
    8,678.22x = 13,014.06 × 3,130.08
  4. Step 4: Simplify right side
    8,678.22x = 40,735,048.92
  5. Step 5: Solve for x
    x = 40,735,048.92/8,678.22
  6. Step 6: Final answer
    x = 4,693.94

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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.