Home / 5,429.13-7,492.20-3,071.22

Finding the Fourth Proportional to 5,429.13, 7,492.20 and 3,071.22

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Solution

The fourth proportional to 5,429.13, 7,492.20 and 3,071.22 is: 4,238.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.13 : 7,492.20 = 3,071.22 : x
  2. Step 2: Convert to fraction form
    5,429.13/7,492.20 = 3,071.22/x
  3. Step 3: Cross multiply
    5,429.13x = 7,492.20 × 3,071.22
  4. Step 4: Simplify right side
    5,429.13x = 23,010,194.48
  5. Step 5: Solve for x
    x = 23,010,194.48/5,429.13
  6. Step 6: Final answer
    x = 4,238.28

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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.