Home / 6,443.73-9,666.18-2,547.21

Finding the Fourth Proportional to 6,443.73, 9,666.18 and 2,547.21

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Solution

The fourth proportional to 6,443.73, 9,666.18 and 2,547.21 is: 3,821.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443.73 : 9,666.18 = 2,547.21 : x
  2. Step 2: Convert to fraction form
    6,443.73/9,666.18 = 2,547.21/x
  3. Step 3: Cross multiply
    6,443.73x = 9,666.18 × 2,547.21
  4. Step 4: Simplify right side
    6,443.73x = 24,621,790.36
  5. Step 5: Solve for x
    x = 24,621,790.36/6,443.73
  6. Step 6: Final answer
    x = 3,821.05

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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.