Home / 6,386.90-9,580.55-2,227.34

Finding the Fourth Proportional to 6,386.90, 9,580.55 and 2,227.34

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Solution

The fourth proportional to 6,386.90, 9,580.55 and 2,227.34 is: 3,341.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.90 : 9,580.55 = 2,227.34 : x
  2. Step 2: Convert to fraction form
    6,386.90/9,580.55 = 2,227.34/x
  3. Step 3: Cross multiply
    6,386.90x = 9,580.55 × 2,227.34
  4. Step 4: Simplify right side
    6,386.90x = 21,339,155.05
  5. Step 5: Solve for x
    x = 21,339,155.05/6,386.90
  6. Step 6: Final answer
    x = 3,341.08

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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.