Home / 6,430.36-8,874.54-3,636.76

Finding the Fourth Proportional to 6,430.36, 8,874.54 and 3,636.76

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Solution

The fourth proportional to 6,430.36, 8,874.54 and 3,636.76 is: 5,019.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.36 : 8,874.54 = 3,636.76 : x
  2. Step 2: Convert to fraction form
    6,430.36/8,874.54 = 3,636.76/x
  3. Step 3: Cross multiply
    6,430.36x = 8,874.54 × 3,636.76
  4. Step 4: Simplify right side
    6,430.36x = 32,274,572.09
  5. Step 5: Solve for x
    x = 32,274,572.09/6,430.36
  6. Step 6: Final answer
    x = 5,019.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.