Home / 7,688.36-10,611.91-5,006.27

Finding the Fourth Proportional to 7,688.36, 10,611.91 and 5,006.27

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Solution

The fourth proportional to 7,688.36, 10,611.91 and 5,006.27 is: 6,909.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.36 : 10,611.91 = 5,006.27 : x
  2. Step 2: Convert to fraction form
    7,688.36/10,611.91 = 5,006.27/x
  3. Step 3: Cross multiply
    7,688.36x = 10,611.91 × 5,006.27
  4. Step 4: Simplify right side
    7,688.36x = 53,126,124.11
  5. Step 5: Solve for x
    x = 53,126,124.11/7,688.36
  6. Step 6: Final answer
    x = 6,909.94

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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.