Home / 4,001.10-6,001.65-1,079.40

Finding the Fourth Proportional to 4,001.10, 6,001.65 and 1,079.40

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Solution

The fourth proportional to 4,001.10, 6,001.65 and 1,079.40 is: 1,619.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.10 : 6,001.65 = 1,079.40 : x
  2. Step 2: Convert to fraction form
    4,001.10/6,001.65 = 1,079.40/x
  3. Step 3: Cross multiply
    4,001.10x = 6,001.65 × 1,079.40
  4. Step 4: Simplify right side
    4,001.10x = 6,478,181.01
  5. Step 5: Solve for x
    x = 6,478,181.01/4,001.10
  6. Step 6: Final answer
    x = 1,619.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.