Home / 5,526.16-8,291.80-5,438.80

Finding the Fourth Proportional to 5,526.16, 8,291.80 and 5,438.80

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Solution

The fourth proportional to 5,526.16, 8,291.80 and 5,438.80 is: 8,160.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,526.16 : 8,291.80 = 5,438.80 : x
  2. Step 2: Convert to fraction form
    5,526.16/8,291.80 = 5,438.80/x
  3. Step 3: Cross multiply
    5,526.16x = 8,291.80 × 5,438.80
  4. Step 4: Simplify right side
    5,526.16x = 45,097,441.84
  5. Step 5: Solve for x
    x = 45,097,441.84/5,526.16
  6. Step 6: Final answer
    x = 8,160.72

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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.