Home / 7,643.46-10,543.50-4,806.34

Finding the Fourth Proportional to 7,643.46, 10,543.50 and 4,806.34

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Solution

The fourth proportional to 7,643.46, 10,543.50 and 4,806.34 is: 6,629.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.46 : 10,543.50 = 4,806.34 : x
  2. Step 2: Convert to fraction form
    7,643.46/10,543.50 = 4,806.34/x
  3. Step 3: Cross multiply
    7,643.46x = 10,543.50 × 4,806.34
  4. Step 4: Simplify right side
    7,643.46x = 50,675,619.43
  5. Step 5: Solve for x
    x = 50,675,619.43/7,643.46
  6. Step 6: Final answer
    x = 6,629.94

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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.