Home / 7,666.32-11,496.87-2,985.96

Finding the Fourth Proportional to 7,666.32, 11,496.87 and 2,985.96

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Solution

The fourth proportional to 7,666.32, 11,496.87 and 2,985.96 is: 4,477.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666.32 : 11,496.87 = 2,985.96 : x
  2. Step 2: Convert to fraction form
    7,666.32/11,496.87 = 2,985.96/x
  3. Step 3: Cross multiply
    7,666.32x = 11,496.87 × 2,985.96
  4. Step 4: Simplify right side
    7,666.32x = 34,329,193.95
  5. Step 5: Solve for x
    x = 34,329,193.95/7,666.32
  6. Step 6: Final answer
    x = 4,477.92

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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.