Home / 8,601.45-12,903.99-2,762.16

Finding the Fourth Proportional to 8,601.45, 12,903.99 and 2,762.16

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Solution

The fourth proportional to 8,601.45, 12,903.99 and 2,762.16 is: 4,143.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601.45 : 12,903.99 = 2,762.16 : x
  2. Step 2: Convert to fraction form
    8,601.45/12,903.99 = 2,762.16/x
  3. Step 3: Cross multiply
    8,601.45x = 12,903.99 × 2,762.16
  4. Step 4: Simplify right side
    8,601.45x = 35,642,885.02
  5. Step 5: Solve for x
    x = 35,642,885.02/8,601.45
  6. Step 6: Final answer
    x = 4,143.82

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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.