Home / 8,455.41-12,681.63-2,612.07

Finding the Fourth Proportional to 8,455.41, 12,681.63 and 2,612.07

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Solution

The fourth proportional to 8,455.41, 12,681.63 and 2,612.07 is: 3,917.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455.41 : 12,681.63 = 2,612.07 : x
  2. Step 2: Convert to fraction form
    8,455.41/12,681.63 = 2,612.07/x
  3. Step 3: Cross multiply
    8,455.41x = 12,681.63 × 2,612.07
  4. Step 4: Simplify right side
    8,455.41x = 33,125,305.27
  5. Step 5: Solve for x
    x = 33,125,305.27/8,455.41
  6. Step 6: Final answer
    x = 3,917.65

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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.