Home / 5,085.48-7,017.84-2,847.50

Finding the Fourth Proportional to 5,085.48, 7,017.84 and 2,847.50

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Solution

The fourth proportional to 5,085.48, 7,017.84 and 2,847.50 is: 3,929.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.48 : 7,017.84 = 2,847.50 : x
  2. Step 2: Convert to fraction form
    5,085.48/7,017.84 = 2,847.50/x
  3. Step 3: Cross multiply
    5,085.48x = 7,017.84 × 2,847.50
  4. Step 4: Simplify right side
    5,085.48x = 19,983,283.28
  5. Step 5: Solve for x
    x = 19,983,283.28/5,085.48
  6. Step 6: Final answer
    x = 3,929.48

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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.