Home / 4,386.55-6,580.91-3,090.55

Finding the Fourth Proportional to 4,386.55, 6,580.91 and 3,090.55

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Solution

The fourth proportional to 4,386.55, 6,580.91 and 3,090.55 is: 4,636.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386.55 : 6,580.91 = 3,090.55 : x
  2. Step 2: Convert to fraction form
    4,386.55/6,580.91 = 3,090.55/x
  3. Step 3: Cross multiply
    4,386.55x = 6,580.91 × 3,090.55
  4. Step 4: Simplify right side
    4,386.55x = 20,338,631.40
  5. Step 5: Solve for x
    x = 20,338,631.40/4,386.55
  6. Step 6: Final answer
    x = 4,636.59

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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.