Home / 7,887.47-11,832.62-2,692.13

Finding the Fourth Proportional to 7,887.47, 11,832.62 and 2,692.13

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Solution

The fourth proportional to 7,887.47, 11,832.62 and 2,692.13 is: 4,038.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.47 : 11,832.62 = 2,692.13 : x
  2. Step 2: Convert to fraction form
    7,887.47/11,832.62 = 2,692.13/x
  3. Step 3: Cross multiply
    7,887.47x = 11,832.62 × 2,692.13
  4. Step 4: Simplify right side
    7,887.47x = 31,854,878.66
  5. Step 5: Solve for x
    x = 31,854,878.66/7,887.47
  6. Step 6: Final answer
    x = 4,038.67

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1.5x scale

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.