Home / 8,130.07-12,168.58-4,376.48

Finding the Fourth Proportional to 8,130.07, 12,168.58 and 4,376.48

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Solution

The fourth proportional to 8,130.07, 12,168.58 and 4,376.48 is: 6,550.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.07 : 12,168.58 = 4,376.48 : x
  2. Step 2: Convert to fraction form
    8,130.07/12,168.58 = 4,376.48/x
  3. Step 3: Cross multiply
    8,130.07x = 12,168.58 × 4,376.48
  4. Step 4: Simplify right side
    8,130.07x = 53,255,551.87
  5. Step 5: Solve for x
    x = 53,255,551.87/8,130.07
  6. Step 6: Final answer
    x = 6,550.44

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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.