Home / 7,090.34-10,633.59-2,158.65

Finding the Fourth Proportional to 7,090.34, 10,633.59 and 2,158.65

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Solution

The fourth proportional to 7,090.34, 10,633.59 and 2,158.65 is: 3,237.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.34 : 10,633.59 = 2,158.65 : x
  2. Step 2: Convert to fraction form
    7,090.34/10,633.59 = 2,158.65/x
  3. Step 3: Cross multiply
    7,090.34x = 10,633.59 × 2,158.65
  4. Step 4: Simplify right side
    7,090.34x = 22,954,199.05
  5. Step 5: Solve for x
    x = 22,954,199.05/7,090.34
  6. Step 6: Final answer
    x = 3,237.39

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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.