Home / 7,635.47-10,536.77-4,278.43

Finding the Fourth Proportional to 7,635.47, 10,536.77 and 4,278.43

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Solution

The fourth proportional to 7,635.47, 10,536.77 and 4,278.43 is: 5,904.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,635.47 : 10,536.77 = 4,278.43 : x
  2. Step 2: Convert to fraction form
    7,635.47/10,536.77 = 4,278.43/x
  3. Step 3: Cross multiply
    7,635.47x = 10,536.77 × 4,278.43
  4. Step 4: Simplify right side
    7,635.47x = 45,080,758.80
  5. Step 5: Solve for x
    x = 45,080,758.80/7,635.47
  6. Step 6: Final answer
    x = 5,904.12

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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.