Home / 9,618.90-13,274.75-5,370.80

Finding the Fourth Proportional to 9,618.90, 13,274.75 and 5,370.80

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Solution

The fourth proportional to 9,618.90, 13,274.75 and 5,370.80 is: 7,412.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,618.90 : 13,274.75 = 5,370.80 : x
  2. Step 2: Convert to fraction form
    9,618.90/13,274.75 = 5,370.80/x
  3. Step 3: Cross multiply
    9,618.90x = 13,274.75 × 5,370.80
  4. Step 4: Simplify right side
    9,618.90x = 71,295,934.07
  5. Step 5: Solve for x
    x = 71,295,934.07/9,618.90
  6. Step 6: Final answer
    x = 7,412.07

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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.