Home / 5,564.28-8,309.34-5,240.28

Finding the Fourth Proportional to 5,564.28, 8,309.34 and 5,240.28

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Solution

The fourth proportional to 5,564.28, 8,309.34 and 5,240.28 is: 7,825.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,564.28 : 8,309.34 = 5,240.28 : x
  2. Step 2: Convert to fraction form
    5,564.28/8,309.34 = 5,240.28/x
  3. Step 3: Cross multiply
    5,564.28x = 8,309.34 × 5,240.28
  4. Step 4: Simplify right side
    5,564.28x = 43,543,268.22
  5. Step 5: Solve for x
    x = 43,543,268.22/5,564.28
  6. Step 6: Final answer
    x = 7,825.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.