Home / 8,415.48-12,623.27-3,482.45

Finding the Fourth Proportional to 8,415.48, 12,623.27 and 3,482.45

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Solution

The fourth proportional to 8,415.48, 12,623.27 and 3,482.45 is: 5,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,415.48 : 12,623.27 = 3,482.45 : x
  2. Step 2: Convert to fraction form
    8,415.48/12,623.27 = 3,482.45/x
  3. Step 3: Cross multiply
    8,415.48x = 12,623.27 × 3,482.45
  4. Step 4: Simplify right side
    8,415.48x = 43,959,906.61
  5. Step 5: Solve for x
    x = 43,959,906.61/8,415.48
  6. Step 6: Final answer
    x = 5,223.70

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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.