Home / 9,085.52-13,613.70-5,187.80

Finding the Fourth Proportional to 9,085.52, 13,613.70 and 5,187.80

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Solution

The fourth proportional to 9,085.52, 13,613.70 and 5,187.80 is: 7,773.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,085.52 : 13,613.70 = 5,187.80 : x
  2. Step 2: Convert to fraction form
    9,085.52/13,613.70 = 5,187.80/x
  3. Step 3: Cross multiply
    9,085.52x = 13,613.70 × 5,187.80
  4. Step 4: Simplify right side
    9,085.52x = 70,625,152.86
  5. Step 5: Solve for x
    x = 70,625,152.86/9,085.52
  6. Step 6: Final answer
    x = 7,773.37

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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.