Home / 7,977.26-11,948.06-5,195.46

Finding the Fourth Proportional to 7,977.26, 11,948.06 and 5,195.46

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Solution

The fourth proportional to 7,977.26, 11,948.06 and 5,195.46 is: 7,781.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.26 : 11,948.06 = 5,195.46 : x
  2. Step 2: Convert to fraction form
    7,977.26/11,948.06 = 5,195.46/x
  3. Step 3: Cross multiply
    7,977.26x = 11,948.06 × 5,195.46
  4. Step 4: Simplify right side
    7,977.26x = 62,075,667.81
  5. Step 5: Solve for x
    x = 62,075,667.81/7,977.26
  6. Step 6: Final answer
    x = 7,781.58

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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.