Home / 9,726.98-14,586.78-3,151.40

Finding the Fourth Proportional to 9,726.98, 14,586.78 and 3,151.40

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Solution

The fourth proportional to 9,726.98, 14,586.78 and 3,151.40 is: 4,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,726.98 : 14,586.78 = 3,151.40 : x
  2. Step 2: Convert to fraction form
    9,726.98/14,586.78 = 3,151.40/x
  3. Step 3: Cross multiply
    9,726.98x = 14,586.78 × 3,151.40
  4. Step 4: Simplify right side
    9,726.98x = 45,968,778.49
  5. Step 5: Solve for x
    x = 45,968,778.49/9,726.98
  6. Step 6: Final answer
    x = 4,725.90

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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.