Home / 5,862.63-8,090.43-3,210.21

Finding the Fourth Proportional to 5,862.63, 8,090.43 and 3,210.21

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Solution

The fourth proportional to 5,862.63, 8,090.43 and 3,210.21 is: 4,430.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,862.63 : 8,090.43 = 3,210.21 : x
  2. Step 2: Convert to fraction form
    5,862.63/8,090.43 = 3,210.21/x
  3. Step 3: Cross multiply
    5,862.63x = 8,090.43 × 3,210.21
  4. Step 4: Simplify right side
    5,862.63x = 25,971,979.29
  5. Step 5: Solve for x
    x = 25,971,979.29/5,862.63
  6. Step 6: Final answer
    x = 4,430.09

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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.