Home / 6,681.18-10,021.77-2,785.50

Finding the Fourth Proportional to 6,681.18, 10,021.77 and 2,785.50

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Solution

The fourth proportional to 6,681.18, 10,021.77 and 2,785.50 is: 4,178.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,681.18 : 10,021.77 = 2,785.50 : x
  2. Step 2: Convert to fraction form
    6,681.18/10,021.77 = 2,785.50/x
  3. Step 3: Cross multiply
    6,681.18x = 10,021.77 × 2,785.50
  4. Step 4: Simplify right side
    6,681.18x = 27,915,640.34
  5. Step 5: Solve for x
    x = 27,915,640.34/6,681.18
  6. Step 6: Final answer
    x = 4,178.25

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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.