Home / 5,113.02-7,055.96-2,990.01

Finding the Fourth Proportional to 5,113.02, 7,055.96 and 2,990.01

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Solution

The fourth proportional to 5,113.02, 7,055.96 and 2,990.01 is: 4,126.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.02 : 7,055.96 = 2,990.01 : x
  2. Step 2: Convert to fraction form
    5,113.02/7,055.96 = 2,990.01/x
  3. Step 3: Cross multiply
    5,113.02x = 7,055.96 × 2,990.01
  4. Step 4: Simplify right side
    5,113.02x = 21,097,390.96
  5. Step 5: Solve for x
    x = 21,097,390.96/5,113.02
  6. Step 6: Final answer
    x = 4,126.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.