Home / 5,300.12-7,950.22-2,991.08

Finding the Fourth Proportional to 5,300.12, 7,950.22 and 2,991.08

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Solution

The fourth proportional to 5,300.12, 7,950.22 and 2,991.08 is: 4,486.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,300.12 : 7,950.22 = 2,991.08 : x
  2. Step 2: Convert to fraction form
    5,300.12/7,950.22 = 2,991.08/x
  3. Step 3: Cross multiply
    5,300.12x = 7,950.22 × 2,991.08
  4. Step 4: Simplify right side
    5,300.12x = 23,779,744.04
  5. Step 5: Solve for x
    x = 23,779,744.04/5,300.12
  6. Step 6: Final answer
    x = 4,486.64

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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.