Home / 5,325.16-7,980.32-2,722.60

Finding the Fourth Proportional to 5,325.16, 7,980.32 and 2,722.60

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Solution

The fourth proportional to 5,325.16, 7,980.32 and 2,722.60 is: 4,080.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.16 : 7,980.32 = 2,722.60 : x
  2. Step 2: Convert to fraction form
    5,325.16/7,980.32 = 2,722.60/x
  3. Step 3: Cross multiply
    5,325.16x = 7,980.32 × 2,722.60
  4. Step 4: Simplify right side
    5,325.16x = 21,727,219.23
  5. Step 5: Solve for x
    x = 21,727,219.23/5,325.16
  6. Step 6: Final answer
    x = 4,080.11

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1.5x scale

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.