Home / 5,085.59-7,017.64-2,961.36

Finding the Fourth Proportional to 5,085.59, 7,017.64 and 2,961.36

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Solution

The fourth proportional to 5,085.59, 7,017.64 and 2,961.36 is: 4,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.59 : 7,017.64 = 2,961.36 : x
  2. Step 2: Convert to fraction form
    5,085.59/7,017.64 = 2,961.36/x
  3. Step 3: Cross multiply
    5,085.59x = 7,017.64 × 2,961.36
  4. Step 4: Simplify right side
    5,085.59x = 20,781,750.99
  5. Step 5: Solve for x
    x = 20,781,750.99/5,085.59
  6. Step 6: Final answer
    x = 4,086.40

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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.