Home / 5,325.27-7,988.31-1,814.19

Finding the Fourth Proportional to 5,325.27, 7,988.31 and 1,814.19

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Solution

The fourth proportional to 5,325.27, 7,988.31 and 1,814.19 is: 2,721.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.27 : 7,988.31 = 1,814.19 : x
  2. Step 2: Convert to fraction form
    5,325.27/7,988.31 = 1,814.19/x
  3. Step 3: Cross multiply
    5,325.27x = 7,988.31 × 1,814.19
  4. Step 4: Simplify right side
    5,325.27x = 14,492,312.12
  5. Step 5: Solve for x
    x = 14,492,312.12/5,325.27
  6. Step 6: Final answer
    x = 2,721.42

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1.5x scale

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.