Home / 9,726.20-14,586.86-2,800.70

Finding the Fourth Proportional to 9,726.20, 14,586.86 and 2,800.70

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Solution

The fourth proportional to 9,726.20, 14,586.86 and 2,800.70 is: 4,200.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,726.20 : 14,586.86 = 2,800.70 : x
  2. Step 2: Convert to fraction form
    9,726.20/14,586.86 = 2,800.70/x
  3. Step 3: Cross multiply
    9,726.20x = 14,586.86 × 2,800.70
  4. Step 4: Simplify right side
    9,726.20x = 40,853,331.86
  5. Step 5: Solve for x
    x = 40,853,331.86/9,726.20
  6. Step 6: Final answer
    x = 4,200.34

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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.