Home / 5,183.04-7,774.40-1,720.32

Finding the Fourth Proportional to 5,183.04, 7,774.40 and 1,720.32

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Solution

The fourth proportional to 5,183.04, 7,774.40 and 1,720.32 is: 2,580.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.04 : 7,774.40 = 1,720.32 : x
  2. Step 2: Convert to fraction form
    5,183.04/7,774.40 = 1,720.32/x
  3. Step 3: Cross multiply
    5,183.04x = 7,774.40 × 1,720.32
  4. Step 4: Simplify right side
    5,183.04x = 13,374,455.81
  5. Step 5: Solve for x
    x = 13,374,455.81/5,183.04
  6. Step 6: Final answer
    x = 2,580.43

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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.