Home / 5,345.02-8,018.44-1,647.18

Finding the Fourth Proportional to 5,345.02, 8,018.44 and 1,647.18

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Solution

The fourth proportional to 5,345.02, 8,018.44 and 1,647.18 is: 2,471.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.02 : 8,018.44 = 1,647.18 : x
  2. Step 2: Convert to fraction form
    5,345.02/8,018.44 = 1,647.18/x
  3. Step 3: Cross multiply
    5,345.02x = 8,018.44 × 1,647.18
  4. Step 4: Simplify right side
    5,345.02x = 13,207,814.00
  5. Step 5: Solve for x
    x = 13,207,814.00/5,345.02
  6. Step 6: Final answer
    x = 2,471.05

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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.