Home / 8,445.23-12,661.01-3,518.57

Finding the Fourth Proportional to 8,445.23, 12,661.01 and 3,518.57

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Solution

The fourth proportional to 8,445.23, 12,661.01 and 3,518.57 is: 5,275.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.23 : 12,661.01 = 3,518.57 : x
  2. Step 2: Convert to fraction form
    8,445.23/12,661.01 = 3,518.57/x
  3. Step 3: Cross multiply
    8,445.23x = 12,661.01 × 3,518.57
  4. Step 4: Simplify right side
    8,445.23x = 44,548,569.06
  5. Step 5: Solve for x
    x = 44,548,569.06/8,445.23
  6. Step 6: Final answer
    x = 5,275.00

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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.