Home / 7,126.46-10,689.35-4,787.45

Finding the Fourth Proportional to 7,126.46, 10,689.35 and 4,787.45

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Solution

The fourth proportional to 7,126.46, 10,689.35 and 4,787.45 is: 7,180.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.46 : 10,689.35 = 4,787.45 : x
  2. Step 2: Convert to fraction form
    7,126.46/10,689.35 = 4,787.45/x
  3. Step 3: Cross multiply
    7,126.46x = 10,689.35 × 4,787.45
  4. Step 4: Simplify right side
    7,126.46x = 51,174,651.27
  5. Step 5: Solve for x
    x = 51,174,651.27/7,126.46
  6. Step 6: Final answer
    x = 7,180.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.