Home / 10,877.28-16,307.93-3,477.48

Finding the Fourth Proportional to 10,877.28, 16,307.93 and 3,477.48

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Solution

The fourth proportional to 10,877.28, 16,307.93 and 3,477.48 is: 5,213.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.28 : 16,307.93 = 3,477.48 : x
  2. Step 2: Convert to fraction form
    10,877.28/16,307.93 = 3,477.48/x
  3. Step 3: Cross multiply
    10,877.28x = 16,307.93 × 3,477.48
  4. Step 4: Simplify right side
    10,877.28x = 56,710,452.30
  5. Step 5: Solve for x
    x = 56,710,452.30/10,877.28
  6. Step 6: Final answer
    x = 5,213.66

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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.