Home / 5,507.43-8,266.61-4,288.18

Finding the Fourth Proportional to 5,507.43, 8,266.61 and 4,288.18

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Solution

The fourth proportional to 5,507.43, 8,266.61 and 4,288.18 is: 6,436.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507.43 : 8,266.61 = 4,288.18 : x
  2. Step 2: Convert to fraction form
    5,507.43/8,266.61 = 4,288.18/x
  3. Step 3: Cross multiply
    5,507.43x = 8,266.61 × 4,288.18
  4. Step 4: Simplify right side
    5,507.43x = 35,448,681.06
  5. Step 5: Solve for x
    x = 35,448,681.06/5,507.43
  6. Step 6: Final answer
    x = 6,436.52

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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.