Home / 4,971.29-7,457.63-1,685.30

Finding the Fourth Proportional to 4,971.29, 7,457.63 and 1,685.30

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Solution

The fourth proportional to 4,971.29, 7,457.63 and 1,685.30 is: 2,528.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.29 : 7,457.63 = 1,685.30 : x
  2. Step 2: Convert to fraction form
    4,971.29/7,457.63 = 1,685.30/x
  3. Step 3: Cross multiply
    4,971.29x = 7,457.63 × 1,685.30
  4. Step 4: Simplify right side
    4,971.29x = 12,568,298.12
  5. Step 5: Solve for x
    x = 12,568,298.12/4,971.29
  6. Step 6: Final answer
    x = 2,528.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.