Home / 5,685.88-8,528.75-2,223.10

Finding the Fourth Proportional to 5,685.88, 8,528.75 and 2,223.10

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Solution

The fourth proportional to 5,685.88, 8,528.75 and 2,223.10 is: 3,334.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.88 : 8,528.75 = 2,223.10 : x
  2. Step 2: Convert to fraction form
    5,685.88/8,528.75 = 2,223.10/x
  3. Step 3: Cross multiply
    5,685.88x = 8,528.75 × 2,223.10
  4. Step 4: Simplify right side
    5,685.88x = 18,960,264.13
  5. Step 5: Solve for x
    x = 18,960,264.13/5,685.88
  6. Step 6: Final answer
    x = 3,334.62

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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.