Home / 8,290.17-12,435.93-3,610.32

Finding the Fourth Proportional to 8,290.17, 12,435.93 and 3,610.32

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Solution

The fourth proportional to 8,290.17, 12,435.93 and 3,610.32 is: 5,415.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290.17 : 12,435.93 = 3,610.32 : x
  2. Step 2: Convert to fraction form
    8,290.17/12,435.93 = 3,610.32/x
  3. Step 3: Cross multiply
    8,290.17x = 12,435.93 × 3,610.32
  4. Step 4: Simplify right side
    8,290.17x = 44,897,686.80
  5. Step 5: Solve for x
    x = 44,897,686.80/8,290.17
  6. Step 6: Final answer
    x = 5,415.77

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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.