Home / 7,672.08-10,588.50-5,688.30

Finding the Fourth Proportional to 7,672.08, 10,588.50 and 5,688.30

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Solution

The fourth proportional to 7,672.08, 10,588.50 and 5,688.30 is: 7,850.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,672.08 : 10,588.50 = 5,688.30 : x
  2. Step 2: Convert to fraction form
    7,672.08/10,588.50 = 5,688.30/x
  3. Step 3: Cross multiply
    7,672.08x = 10,588.50 × 5,688.30
  4. Step 4: Simplify right side
    7,672.08x = 60,230,536.11
  5. Step 5: Solve for x
    x = 60,230,536.11/7,672.08
  6. Step 6: Final answer
    x = 7,850.61

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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.