Home / 9,440.61-14,160.84-2,420.61

Finding the Fourth Proportional to 9,440.61, 14,160.84 and 2,420.61

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Solution

The fourth proportional to 9,440.61, 14,160.84 and 2,420.61 is: 3,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,440.61 : 14,160.84 = 2,420.61 : x
  2. Step 2: Convert to fraction form
    9,440.61/14,160.84 = 2,420.61/x
  3. Step 3: Cross multiply
    9,440.61x = 14,160.84 × 2,420.61
  4. Step 4: Simplify right side
    9,440.61x = 34,277,870.91
  5. Step 5: Solve for x
    x = 34,277,870.91/9,440.61
  6. Step 6: Final answer
    x = 3,630.90

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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.