Home / 5,450.97-8,176.41-1,555.40

Finding the Fourth Proportional to 5,450.97, 8,176.41 and 1,555.40

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Solution

The fourth proportional to 5,450.97, 8,176.41 and 1,555.40 is: 2,333.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.97 : 8,176.41 = 1,555.40 : x
  2. Step 2: Convert to fraction form
    5,450.97/8,176.41 = 1,555.40/x
  3. Step 3: Cross multiply
    5,450.97x = 8,176.41 × 1,555.40
  4. Step 4: Simplify right side
    5,450.97x = 12,717,547.23
  5. Step 5: Solve for x
    x = 12,717,547.23/5,450.97
  6. Step 6: Final answer
    x = 2,333.08

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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.