Home / 5,564.81-8,347.35-2,188.28

Finding the Fourth Proportional to 5,564.81, 8,347.35 and 2,188.28

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Solution

The fourth proportional to 5,564.81, 8,347.35 and 2,188.28 is: 3,282.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,564.81 : 8,347.35 = 2,188.28 : x
  2. Step 2: Convert to fraction form
    5,564.81/8,347.35 = 2,188.28/x
  3. Step 3: Cross multiply
    5,564.81x = 8,347.35 × 2,188.28
  4. Step 4: Simplify right side
    5,564.81x = 18,266,339.06
  5. Step 5: Solve for x
    x = 18,266,339.06/5,564.81
  6. Step 6: Final answer
    x = 3,282.47

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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.