Home / 9,639.40-14,460.62-4,092.78

Finding the Fourth Proportional to 9,639.40, 14,460.62 and 4,092.78

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Solution

The fourth proportional to 9,639.40, 14,460.62 and 4,092.78 is: 6,139.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.40 : 14,460.62 = 4,092.78 : x
  2. Step 2: Convert to fraction form
    9,639.40/14,460.62 = 4,092.78/x
  3. Step 3: Cross multiply
    9,639.40x = 14,460.62 × 4,092.78
  4. Step 4: Simplify right side
    9,639.40x = 59,184,136.32
  5. Step 5: Solve for x
    x = 59,184,136.32/9,639.40
  6. Step 6: Final answer
    x = 6,139.82

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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.