Home / 7,457.51-11,191.37-3,074.93

Finding the Fourth Proportional to 7,457.51, 11,191.37 and 3,074.93

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Solution

The fourth proportional to 7,457.51, 11,191.37 and 3,074.93 is: 4,614.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.51 : 11,191.37 = 3,074.93 : x
  2. Step 2: Convert to fraction form
    7,457.51/11,191.37 = 3,074.93/x
  3. Step 3: Cross multiply
    7,457.51x = 11,191.37 × 3,074.93
  4. Step 4: Simplify right side
    7,457.51x = 34,412,608.02
  5. Step 5: Solve for x
    x = 34,412,608.02/7,457.51
  6. Step 6: Final answer
    x = 4,614.49

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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.