Home / 8,386.04-12,580.58-6,839.75

Finding the Fourth Proportional to 8,386.04, 12,580.58 and 6,839.75

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Solution

The fourth proportional to 8,386.04, 12,580.58 and 6,839.75 is: 10,260.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386.04 : 12,580.58 = 6,839.75 : x
  2. Step 2: Convert to fraction form
    8,386.04/12,580.58 = 6,839.75/x
  3. Step 3: Cross multiply
    8,386.04x = 12,580.58 × 6,839.75
  4. Step 4: Simplify right side
    8,386.04x = 86,048,022.06
  5. Step 5: Solve for x
    x = 86,048,022.06/8,386.04
  6. Step 6: Final answer
    x = 10,260.86

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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.