Home / 4,547.80-6,837.90-4,450.60

Finding the Fourth Proportional to 4,547.80, 6,837.90 and 4,450.60

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Solution

The fourth proportional to 4,547.80, 6,837.90 and 4,450.60 is: 6,691.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547.80 : 6,837.90 = 4,450.60 : x
  2. Step 2: Convert to fraction form
    4,547.80/6,837.90 = 4,450.60/x
  3. Step 3: Cross multiply
    4,547.80x = 6,837.90 × 4,450.60
  4. Step 4: Simplify right side
    4,547.80x = 30,432,757.74
  5. Step 5: Solve for x
    x = 30,432,757.74/4,547.80
  6. Step 6: Final answer
    x = 6,691.75

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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.