Home / 5,312.02-7,971.36-2,025.40

Finding the Fourth Proportional to 5,312.02, 7,971.36 and 2,025.40

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Solution

The fourth proportional to 5,312.02, 7,971.36 and 2,025.40 is: 3,039.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.02 : 7,971.36 = 2,025.40 : x
  2. Step 2: Convert to fraction form
    5,312.02/7,971.36 = 2,025.40/x
  3. Step 3: Cross multiply
    5,312.02x = 7,971.36 × 2,025.40
  4. Step 4: Simplify right side
    5,312.02x = 16,145,192.54
  5. Step 5: Solve for x
    x = 16,145,192.54/5,312.02
  6. Step 6: Final answer
    x = 3,039.37

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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.