Home / 9,778.47-14,664.61-4,228.26

Finding the Fourth Proportional to 9,778.47, 14,664.61 and 4,228.26

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Solution

The fourth proportional to 9,778.47, 14,664.61 and 4,228.26 is: 6,341.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778.47 : 14,664.61 = 4,228.26 : x
  2. Step 2: Convert to fraction form
    9,778.47/14,664.61 = 4,228.26/x
  3. Step 3: Cross multiply
    9,778.47x = 14,664.61 × 4,228.26
  4. Step 4: Simplify right side
    9,778.47x = 62,005,783.88
  5. Step 5: Solve for x
    x = 62,005,783.88/9,778.47
  6. Step 6: Final answer
    x = 6,341.05

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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.