Home / 7,814.04-10,782.96-4,276.57

Finding the Fourth Proportional to 7,814.04, 10,782.96 and 4,276.57

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Solution

The fourth proportional to 7,814.04, 10,782.96 and 4,276.57 is: 5,901.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.04 : 10,782.96 = 4,276.57 : x
  2. Step 2: Convert to fraction form
    7,814.04/10,782.96 = 4,276.57/x
  3. Step 3: Cross multiply
    7,814.04x = 10,782.96 × 4,276.57
  4. Step 4: Simplify right side
    7,814.04x = 46,114,093.94
  5. Step 5: Solve for x
    x = 46,114,093.94/7,814.04
  6. Step 6: Final answer
    x = 5,901.44

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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.