Home / 5,547.50-8,316.90-2,772.80

Finding the Fourth Proportional to 5,547.50, 8,316.90 and 2,772.80

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Solution

The fourth proportional to 5,547.50, 8,316.90 and 2,772.80 is: 4,157.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,547.50 : 8,316.90 = 2,772.80 : x
  2. Step 2: Convert to fraction form
    5,547.50/8,316.90 = 2,772.80/x
  3. Step 3: Cross multiply
    5,547.50x = 8,316.90 × 2,772.80
  4. Step 4: Simplify right side
    5,547.50x = 23,061,100.32
  5. Step 5: Solve for x
    x = 23,061,100.32/5,547.50
  6. Step 6: Final answer
    x = 4,157.03

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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.