Home / 4,579.51-6,316.48-2,812.09

Finding the Fourth Proportional to 4,579.51, 6,316.48 and 2,812.09

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Solution

The fourth proportional to 4,579.51, 6,316.48 and 2,812.09 is: 3,878.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.51 : 6,316.48 = 2,812.09 : x
  2. Step 2: Convert to fraction form
    4,579.51/6,316.48 = 2,812.09/x
  3. Step 3: Cross multiply
    4,579.51x = 6,316.48 × 2,812.09
  4. Step 4: Simplify right side
    4,579.51x = 17,762,510.24
  5. Step 5: Solve for x
    x = 17,762,510.24/4,579.51
  6. Step 6: Final answer
    x = 3,878.69

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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.