Home / 8,607.19-12,908.08-2,762.50

Finding the Fourth Proportional to 8,607.19, 12,908.08 and 2,762.50

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Solution

The fourth proportional to 8,607.19, 12,908.08 and 2,762.50 is: 4,142.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,607.19 : 12,908.08 = 2,762.50 : x
  2. Step 2: Convert to fraction form
    8,607.19/12,908.08 = 2,762.50/x
  3. Step 3: Cross multiply
    8,607.19x = 12,908.08 × 2,762.50
  4. Step 4: Simplify right side
    8,607.19x = 35,658,571
  5. Step 5: Solve for x
    x = 35,658,571/8,607.19
  6. Step 6: Final answer
    x = 4,142.88

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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.