Home / 9,135.04-13,702.08-2,561.68

Finding the Fourth Proportional to 9,135.04, 13,702.08 and 2,561.68

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Solution

The fourth proportional to 9,135.04, 13,702.08 and 2,561.68 is: 3,842.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.04 : 13,702.08 = 2,561.68 : x
  2. Step 2: Convert to fraction form
    9,135.04/13,702.08 = 2,561.68/x
  3. Step 3: Cross multiply
    9,135.04x = 13,702.08 × 2,561.68
  4. Step 4: Simplify right side
    9,135.04x = 35,100,344.29
  5. Step 5: Solve for x
    x = 35,100,344.29/9,135.04
  6. Step 6: Final answer
    x = 3,842.39

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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.