Home / 7,803.90-10,771.26-4,447.53

Finding the Fourth Proportional to 7,803.90, 10,771.26 and 4,447.53

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Solution

The fourth proportional to 7,803.90, 10,771.26 and 4,447.53 is: 6,138.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,803.90 : 10,771.26 = 4,447.53 : x
  2. Step 2: Convert to fraction form
    7,803.90/10,771.26 = 4,447.53/x
  3. Step 3: Cross multiply
    7,803.90x = 10,771.26 × 4,447.53
  4. Step 4: Simplify right side
    7,803.90x = 47,905,501.99
  5. Step 5: Solve for x
    x = 47,905,501.99/7,803.90
  6. Step 6: Final answer
    x = 6,138.66

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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.