Home / 5,580.84-8,371.32-1,685.28

Finding the Fourth Proportional to 5,580.84, 8,371.32 and 1,685.28

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Solution

The fourth proportional to 5,580.84, 8,371.32 and 1,685.28 is: 2,527.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.84 : 8,371.32 = 1,685.28 : x
  2. Step 2: Convert to fraction form
    5,580.84/8,371.32 = 1,685.28/x
  3. Step 3: Cross multiply
    5,580.84x = 8,371.32 × 1,685.28
  4. Step 4: Simplify right side
    5,580.84x = 14,108,018.17
  5. Step 5: Solve for x
    x = 14,108,018.17/5,580.84
  6. Step 6: Final answer
    x = 2,527.94

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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.