Home / 5,580.81-8,372.79-4,538.25

Finding the Fourth Proportional to 5,580.81, 8,372.79 and 4,538.25

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Solution

The fourth proportional to 5,580.81, 8,372.79 and 4,538.25 is: 6,808.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.81 : 8,372.79 = 4,538.25 : x
  2. Step 2: Convert to fraction form
    5,580.81/8,372.79 = 4,538.25/x
  3. Step 3: Cross multiply
    5,580.81x = 8,372.79 × 4,538.25
  4. Step 4: Simplify right side
    5,580.81x = 37,997,814.22
  5. Step 5: Solve for x
    x = 37,997,814.22/5,580.81
  6. Step 6: Final answer
    x = 6,808.66

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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.