Home / 4,320.43-5,971.40-3,808.51

Finding the Fourth Proportional to 4,320.43, 5,971.40 and 3,808.51

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Solution

The fourth proportional to 4,320.43, 5,971.40 and 3,808.51 is: 5,263.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.43 : 5,971.40 = 3,808.51 : x
  2. Step 2: Convert to fraction form
    4,320.43/5,971.40 = 3,808.51/x
  3. Step 3: Cross multiply
    4,320.43x = 5,971.40 × 3,808.51
  4. Step 4: Simplify right side
    4,320.43x = 22,742,136.61
  5. Step 5: Solve for x
    x = 22,742,136.61/4,320.43
  6. Step 6: Final answer
    x = 5,263.86

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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.