Home / 7,635.42-10,537.38-4,278.06

Finding the Fourth Proportional to 7,635.42, 10,537.38 and 4,278.06

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Solution

The fourth proportional to 7,635.42, 10,537.38 and 4,278.06 is: 5,904.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,635.42 : 10,537.38 = 4,278.06 : x
  2. Step 2: Convert to fraction form
    7,635.42/10,537.38 = 4,278.06/x
  3. Step 3: Cross multiply
    7,635.42x = 10,537.38 × 4,278.06
  4. Step 4: Simplify right side
    7,635.42x = 45,079,543.88
  5. Step 5: Solve for x
    x = 45,079,543.88/7,635.42
  6. Step 6: Final answer
    x = 5,904.00

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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.