Home / 7,687.08-10,607.43-4,500.72

Finding the Fourth Proportional to 7,687.08, 10,607.43 and 4,500.72

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Solution

The fourth proportional to 7,687.08, 10,607.43 and 4,500.72 is: 6,210.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,687.08 : 10,607.43 = 4,500.72 : x
  2. Step 2: Convert to fraction form
    7,687.08/10,607.43 = 4,500.72/x
  3. Step 3: Cross multiply
    7,687.08x = 10,607.43 × 4,500.72
  4. Step 4: Simplify right side
    7,687.08x = 47,741,072.35
  5. Step 5: Solve for x
    x = 47,741,072.35/7,687.08
  6. Step 6: Final answer
    x = 6,210.56

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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.