Home / 9,780.28-14,659.48-4,238.26

Finding the Fourth Proportional to 9,780.28, 14,659.48 and 4,238.26

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Solution

The fourth proportional to 9,780.28, 14,659.48 and 4,238.26 is: 6,352.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780.28 : 14,659.48 = 4,238.26 : x
  2. Step 2: Convert to fraction form
    9,780.28/14,659.48 = 4,238.26/x
  3. Step 3: Cross multiply
    9,780.28x = 14,659.48 × 4,238.26
  4. Step 4: Simplify right side
    9,780.28x = 62,130,687.70
  5. Step 5: Solve for x
    x = 62,130,687.70/9,780.28
  6. Step 6: Final answer
    x = 6,352.65

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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.