Home / 6,538.72-9,021.36-4,056.16

Finding the Fourth Proportional to 6,538.72, 9,021.36 and 4,056.16

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Solution

The fourth proportional to 6,538.72, 9,021.36 and 4,056.16 is: 5,596.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,538.72 : 9,021.36 = 4,056.16 : x
  2. Step 2: Convert to fraction form
    6,538.72/9,021.36 = 4,056.16/x
  3. Step 3: Cross multiply
    6,538.72x = 9,021.36 × 4,056.16
  4. Step 4: Simplify right side
    6,538.72x = 36,592,079.58
  5. Step 5: Solve for x
    x = 36,592,079.58/6,538.72
  6. Step 6: Final answer
    x = 5,596.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.