Home / 10,777.25-16,160.40-4,928.85

Finding the Fourth Proportional to 10,777.25, 16,160.40 and 4,928.85

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Solution

The fourth proportional to 10,777.25, 16,160.40 and 4,928.85 is: 7,390.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,777.25 : 16,160.40 = 4,928.85 : x
  2. Step 2: Convert to fraction form
    10,777.25/16,160.40 = 4,928.85/x
  3. Step 3: Cross multiply
    10,777.25x = 16,160.40 × 4,928.85
  4. Step 4: Simplify right side
    10,777.25x = 79,652,106.74
  5. Step 5: Solve for x
    x = 79,652,106.74/10,777.25
  6. Step 6: Final answer
    x = 7,390.77

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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.