Home / 9,854.13-14,780.84-2,928.45

Finding the Fourth Proportional to 9,854.13, 14,780.84 and 2,928.45

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Solution

The fourth proportional to 9,854.13, 14,780.84 and 2,928.45 is: 4,392.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,854.13 : 14,780.84 = 2,928.45 : x
  2. Step 2: Convert to fraction form
    9,854.13/14,780.84 = 2,928.45/x
  3. Step 3: Cross multiply
    9,854.13x = 14,780.84 × 2,928.45
  4. Step 4: Simplify right side
    9,854.13x = 43,284,936.26
  5. Step 5: Solve for x
    x = 43,284,936.26/9,854.13
  6. Step 6: Final answer
    x = 4,392.57

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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.