Home / 7,642.21-10,553.46-4,995.94

Finding the Fourth Proportional to 7,642.21, 10,553.46 and 4,995.94

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Solution

The fourth proportional to 7,642.21, 10,553.46 and 4,995.94 is: 6,899.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642.21 : 10,553.46 = 4,995.94 : x
  2. Step 2: Convert to fraction form
    7,642.21/10,553.46 = 4,995.94/x
  3. Step 3: Cross multiply
    7,642.21x = 10,553.46 × 4,995.94
  4. Step 4: Simplify right side
    7,642.21x = 52,724,452.95
  5. Step 5: Solve for x
    x = 52,724,452.95/7,642.21
  6. Step 6: Final answer
    x = 6,899.11

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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.