Home / 9,628.90-13,291.16-5,648.56

Finding the Fourth Proportional to 9,628.90, 13,291.16 and 5,648.56

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Solution

The fourth proportional to 9,628.90, 13,291.16 and 5,648.56 is: 7,796.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,628.90 : 13,291.16 = 5,648.56 : x
  2. Step 2: Convert to fraction form
    9,628.90/13,291.16 = 5,648.56/x
  3. Step 3: Cross multiply
    9,628.90x = 13,291.16 × 5,648.56
  4. Step 4: Simplify right side
    9,628.90x = 75,075,853.26
  5. Step 5: Solve for x
    x = 75,075,853.26/9,628.90
  6. Step 6: Final answer
    x = 7,796.93

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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.