Home / 5,048.78-7,557.59-4,618.20

Finding the Fourth Proportional to 5,048.78, 7,557.59 and 4,618.20

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Solution

The fourth proportional to 5,048.78, 7,557.59 and 4,618.20 is: 6,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,048.78 : 7,557.59 = 4,618.20 : x
  2. Step 2: Convert to fraction form
    5,048.78/7,557.59 = 4,618.20/x
  3. Step 3: Cross multiply
    5,048.78x = 7,557.59 × 4,618.20
  4. Step 4: Simplify right side
    5,048.78x = 34,902,439.05
  5. Step 5: Solve for x
    x = 34,902,439.05/5,048.78
  6. Step 6: Final answer
    x = 6,913.05

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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.