Home / 8,606.85-11,877.51-5,620.92

Finding the Fourth Proportional to 8,606.85, 11,877.51 and 5,620.92

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Solution

The fourth proportional to 8,606.85, 11,877.51 and 5,620.92 is: 7,756.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.85 : 11,877.51 = 5,620.92 : x
  2. Step 2: Convert to fraction form
    8,606.85/11,877.51 = 5,620.92/x
  3. Step 3: Cross multiply
    8,606.85x = 11,877.51 × 5,620.92
  4. Step 4: Simplify right side
    8,606.85x = 66,762,533.51
  5. Step 5: Solve for x
    x = 66,762,533.51/8,606.85
  6. Step 6: Final answer
    x = 7,756.91

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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.