Home / 7,705.95-10,633.60-4,721.38

Finding the Fourth Proportional to 7,705.95, 10,633.60 and 4,721.38

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Solution

The fourth proportional to 7,705.95, 10,633.60 and 4,721.38 is: 6,515.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,705.95 : 10,633.60 = 4,721.38 : x
  2. Step 2: Convert to fraction form
    7,705.95/10,633.60 = 4,721.38/x
  3. Step 3: Cross multiply
    7,705.95x = 10,633.60 × 4,721.38
  4. Step 4: Simplify right side
    7,705.95x = 50,205,245.69
  5. Step 5: Solve for x
    x = 50,205,245.69/7,705.95
  6. Step 6: Final answer
    x = 6,515.13

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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.