Home / 6,606.10-9,115.77-3,953.45

Finding the Fourth Proportional to 6,606.10, 9,115.77 and 3,953.45

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Solution

The fourth proportional to 6,606.10, 9,115.77 and 3,953.45 is: 5,455.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,606.10 : 9,115.77 = 3,953.45 : x
  2. Step 2: Convert to fraction form
    6,606.10/9,115.77 = 3,953.45/x
  3. Step 3: Cross multiply
    6,606.10x = 9,115.77 × 3,953.45
  4. Step 4: Simplify right side
    6,606.10x = 36,038,752.88
  5. Step 5: Solve for x
    x = 36,038,752.88/6,606.10
  6. Step 6: Final answer
    x = 5,455.38

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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.