Home / 8,430.96-12,647.52-2,586.54

Finding the Fourth Proportional to 8,430.96, 12,647.52 and 2,586.54

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Solution

The fourth proportional to 8,430.96, 12,647.52 and 2,586.54 is: 3,880.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430.96 : 12,647.52 = 2,586.54 : x
  2. Step 2: Convert to fraction form
    8,430.96/12,647.52 = 2,586.54/x
  3. Step 3: Cross multiply
    8,430.96x = 12,647.52 × 2,586.54
  4. Step 4: Simplify right side
    8,430.96x = 32,713,316.38
  5. Step 5: Solve for x
    x = 32,713,316.38/8,430.96
  6. Step 6: Final answer
    x = 3,880.14

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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.