Home / 7,814.35-10,783.78-4,277.53

Finding the Fourth Proportional to 7,814.35, 10,783.78 and 4,277.53

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Solution

The fourth proportional to 7,814.35, 10,783.78 and 4,277.53 is: 5,902.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.35 : 10,783.78 = 4,277.53 : x
  2. Step 2: Convert to fraction form
    7,814.35/10,783.78 = 4,277.53/x
  3. Step 3: Cross multiply
    7,814.35x = 10,783.78 × 4,277.53
  4. Step 4: Simplify right side
    7,814.35x = 46,127,942.46
  5. Step 5: Solve for x
    x = 46,127,942.46/7,814.35
  6. Step 6: Final answer
    x = 5,902.98

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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.