Home / 5,085.77-7,018.02-2,847.63

Finding the Fourth Proportional to 5,085.77, 7,018.02 and 2,847.63

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Solution

The fourth proportional to 5,085.77, 7,018.02 and 2,847.63 is: 3,929.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.77 : 7,018.02 = 2,847.63 : x
  2. Step 2: Convert to fraction form
    5,085.77/7,018.02 = 2,847.63/x
  3. Step 3: Cross multiply
    5,085.77x = 7,018.02 × 2,847.63
  4. Step 4: Simplify right side
    5,085.77x = 19,984,724.29
  5. Step 5: Solve for x
    x = 19,984,724.29/5,085.77
  6. Step 6: Final answer
    x = 3,929.54

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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.