Home / 4,005.46-6,005.36-1,538.20

Finding the Fourth Proportional to 4,005.46, 6,005.36 and 1,538.20

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Solution

The fourth proportional to 4,005.46, 6,005.36 and 1,538.20 is: 2,306.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.46 : 6,005.36 = 1,538.20 : x
  2. Step 2: Convert to fraction form
    4,005.46/6,005.36 = 1,538.20/x
  3. Step 3: Cross multiply
    4,005.46x = 6,005.36 × 1,538.20
  4. Step 4: Simplify right side
    4,005.46x = 9,237,444.75
  5. Step 5: Solve for x
    x = 9,237,444.75/4,005.46
  6. Step 6: Final answer
    x = 2,306.21

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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.