Home / 5,074.09-7,004.40-3,085.28

Finding the Fourth Proportional to 5,074.09, 7,004.40 and 3,085.28

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Solution

The fourth proportional to 5,074.09, 7,004.40 and 3,085.28 is: 4,259.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.09 : 7,004.40 = 3,085.28 : x
  2. Step 2: Convert to fraction form
    5,074.09/7,004.40 = 3,085.28/x
  3. Step 3: Cross multiply
    5,074.09x = 7,004.40 × 3,085.28
  4. Step 4: Simplify right side
    5,074.09x = 21,610,552.74
  5. Step 5: Solve for x
    x = 21,610,552.74/5,074.09
  6. Step 6: Final answer
    x = 4,259.00

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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.