Home / 6,613.74-9,128.54-4,492.80

Finding the Fourth Proportional to 6,613.74, 9,128.54 and 4,492.80

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Solution

The fourth proportional to 6,613.74, 9,128.54 and 4,492.80 is: 6,201.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.74 : 9,128.54 = 4,492.80 : x
  2. Step 2: Convert to fraction form
    6,613.74/9,128.54 = 4,492.80/x
  3. Step 3: Cross multiply
    6,613.74x = 9,128.54 × 4,492.80
  4. Step 4: Simplify right side
    6,613.74x = 41,012,704.51
  5. Step 5: Solve for x
    x = 41,012,704.51/6,613.74
  6. Step 6: Final answer
    x = 6,201.14

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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.