Home / 8,598.39-12,880.31-4,485.75

Finding the Fourth Proportional to 8,598.39, 12,880.31 and 4,485.75

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Solution

The fourth proportional to 8,598.39, 12,880.31 and 4,485.75 is: 6,719.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598.39 : 12,880.31 = 4,485.75 : x
  2. Step 2: Convert to fraction form
    8,598.39/12,880.31 = 4,485.75/x
  3. Step 3: Cross multiply
    8,598.39x = 12,880.31 × 4,485.75
  4. Step 4: Simplify right side
    8,598.39x = 57,777,828.15
  5. Step 5: Solve for x
    x = 57,777,828.15/8,598.39
  6. Step 6: Final answer
    x = 6,719.61

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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.