Home / 9,135.63-12,608.26-5,360.22

Finding the Fourth Proportional to 9,135.63, 12,608.26 and 5,360.22

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Solution

The fourth proportional to 9,135.63, 12,608.26 and 5,360.22 is: 7,397.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.63 : 12,608.26 = 5,360.22 : x
  2. Step 2: Convert to fraction form
    9,135.63/12,608.26 = 5,360.22/x
  3. Step 3: Cross multiply
    9,135.63x = 12,608.26 × 5,360.22
  4. Step 4: Simplify right side
    9,135.63x = 67,583,034.02
  5. Step 5: Solve for x
    x = 67,583,034.02/9,135.63
  6. Step 6: Final answer
    x = 7,397.74

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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.