Home / 5,325.77-7,989.06-1,814.69

Finding the Fourth Proportional to 5,325.77, 7,989.06 and 1,814.69

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Solution

The fourth proportional to 5,325.77, 7,989.06 and 1,814.69 is: 2,722.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.77 : 7,989.06 = 1,814.69 : x
  2. Step 2: Convert to fraction form
    5,325.77/7,989.06 = 1,814.69/x
  3. Step 3: Cross multiply
    5,325.77x = 7,989.06 × 1,814.69
  4. Step 4: Simplify right side
    5,325.77x = 14,497,667.29
  5. Step 5: Solve for x
    x = 14,497,667.29/5,325.77
  6. Step 6: Final answer
    x = 2,722.17

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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.