Home / 8,669.85-11,960.51-5,870.49

Finding the Fourth Proportional to 8,669.85, 11,960.51 and 5,870.49

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Solution

The fourth proportional to 8,669.85, 11,960.51 and 5,870.49 is: 8,098.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.85 : 11,960.51 = 5,870.49 : x
  2. Step 2: Convert to fraction form
    8,669.85/11,960.51 = 5,870.49/x
  3. Step 3: Cross multiply
    8,669.85x = 11,960.51 × 5,870.49
  4. Step 4: Simplify right side
    8,669.85x = 70,214,025.00
  5. Step 5: Solve for x
    x = 70,214,025.00/8,669.85
  6. Step 6: Final answer
    x = 8,098.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.