Home / 4,053.15-6,080.29-1,420.05

Finding the Fourth Proportional to 4,053.15, 6,080.29 and 1,420.05

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Solution

The fourth proportional to 4,053.15, 6,080.29 and 1,420.05 is: 2,130.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,053.15 : 6,080.29 = 1,420.05 : x
  2. Step 2: Convert to fraction form
    4,053.15/6,080.29 = 1,420.05/x
  3. Step 3: Cross multiply
    4,053.15x = 6,080.29 × 1,420.05
  4. Step 4: Simplify right side
    4,053.15x = 8,634,285.91
  5. Step 5: Solve for x
    x = 8,634,285.91/4,053.15
  6. Step 6: Final answer
    x = 2,130.27

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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.