Home / 5,081.02-7,621.55-1,792.32

Finding the Fourth Proportional to 5,081.02, 7,621.55 and 1,792.32

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Solution

The fourth proportional to 5,081.02, 7,621.55 and 1,792.32 is: 2,688.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.02 : 7,621.55 = 1,792.32 : x
  2. Step 2: Convert to fraction form
    5,081.02/7,621.55 = 1,792.32/x
  3. Step 3: Cross multiply
    5,081.02x = 7,621.55 × 1,792.32
  4. Step 4: Simplify right side
    5,081.02x = 13,660,256.50
  5. Step 5: Solve for x
    x = 13,660,256.50/5,081.02
  6. Step 6: Final answer
    x = 2,688.49

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.