Home / 4,709.90-6,499.62-2,720.64

Finding the Fourth Proportional to 4,709.90, 6,499.62 and 2,720.64

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Solution

The fourth proportional to 4,709.90, 6,499.62 and 2,720.64 is: 3,754.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,709.90 : 6,499.62 = 2,720.64 : x
  2. Step 2: Convert to fraction form
    4,709.90/6,499.62 = 2,720.64/x
  3. Step 3: Cross multiply
    4,709.90x = 6,499.62 × 2,720.64
  4. Step 4: Simplify right side
    4,709.90x = 17,683,126.16
  5. Step 5: Solve for x
    x = 17,683,126.16/4,709.90
  6. Step 6: Final answer
    x = 3,754.46

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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.