Home / 4,990.19-7,483.75-2,215.13

Finding the Fourth Proportional to 4,990.19, 7,483.75 and 2,215.13

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Solution

The fourth proportional to 4,990.19, 7,483.75 and 2,215.13 is: 3,322.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.19 : 7,483.75 = 2,215.13 : x
  2. Step 2: Convert to fraction form
    4,990.19/7,483.75 = 2,215.13/x
  3. Step 3: Cross multiply
    4,990.19x = 7,483.75 × 2,215.13
  4. Step 4: Simplify right side
    4,990.19x = 16,577,479.14
  5. Step 5: Solve for x
    x = 16,577,479.14/4,990.19
  6. Step 6: Final answer
    x = 3,322.01

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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.