Home / 4,980.68-6,842.57-4,456.50

Finding the Fourth Proportional to 4,980.68, 6,842.57 and 4,456.50

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Solution

The fourth proportional to 4,980.68, 6,842.57 and 4,456.50 is: 6,122.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.68 : 6,842.57 = 4,456.50 : x
  2. Step 2: Convert to fraction form
    4,980.68/6,842.57 = 4,456.50/x
  3. Step 3: Cross multiply
    4,980.68x = 6,842.57 × 4,456.50
  4. Step 4: Simplify right side
    4,980.68x = 30,493,924.35
  5. Step 5: Solve for x
    x = 30,493,924.35/4,980.68
  6. Step 6: Final answer
    x = 6,122.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.