Home / 8,666.37-11,955.33-5,435.64

Finding the Fourth Proportional to 8,666.37, 11,955.33 and 5,435.64

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Solution

The fourth proportional to 8,666.37, 11,955.33 and 5,435.64 is: 7,498.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.37 : 11,955.33 = 5,435.64 : x
  2. Step 2: Convert to fraction form
    8,666.37/11,955.33 = 5,435.64/x
  3. Step 3: Cross multiply
    8,666.37x = 11,955.33 × 5,435.64
  4. Step 4: Simplify right side
    8,666.37x = 64,984,869.96
  5. Step 5: Solve for x
    x = 64,984,869.96/8,666.37
  6. Step 6: Final answer
    x = 7,498.51

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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.