Home / 5,615.64-8,426.76-3,018.84

Finding the Fourth Proportional to 5,615.64, 8,426.76 and 3,018.84

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Solution

The fourth proportional to 5,615.64, 8,426.76 and 3,018.84 is: 4,530.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.64 : 8,426.76 = 3,018.84 : x
  2. Step 2: Convert to fraction form
    5,615.64/8,426.76 = 3,018.84/x
  3. Step 3: Cross multiply
    5,615.64x = 8,426.76 × 3,018.84
  4. Step 4: Simplify right side
    5,615.64x = 25,439,040.16
  5. Step 5: Solve for x
    x = 25,439,040.16/5,615.64
  6. Step 6: Final answer
    x = 4,530.03

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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.