Home / 7,638.66-11,433.57-4,984.94

Finding the Fourth Proportional to 7,638.66, 11,433.57 and 4,984.94

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Solution

The fourth proportional to 7,638.66, 11,433.57 and 4,984.94 is: 7,461.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638.66 : 11,433.57 = 4,984.94 : x
  2. Step 2: Convert to fraction form
    7,638.66/11,433.57 = 4,984.94/x
  3. Step 3: Cross multiply
    7,638.66x = 11,433.57 × 4,984.94
  4. Step 4: Simplify right side
    7,638.66x = 56,995,603.27
  5. Step 5: Solve for x
    x = 56,995,603.27/7,638.66
  6. Step 6: Final answer
    x = 7,461.47

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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.