Home / 5,621.51-7,756.66-3,497.60

Finding the Fourth Proportional to 5,621.51, 7,756.66 and 3,497.60

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Solution

The fourth proportional to 5,621.51, 7,756.66 and 3,497.60 is: 4,826.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.51 : 7,756.66 = 3,497.60 : x
  2. Step 2: Convert to fraction form
    5,621.51/7,756.66 = 3,497.60/x
  3. Step 3: Cross multiply
    5,621.51x = 7,756.66 × 3,497.60
  4. Step 4: Simplify right side
    5,621.51x = 27,129,694.02
  5. Step 5: Solve for x
    x = 27,129,694.02/5,621.51
  6. Step 6: Final answer
    x = 4,826.05

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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.