Home / 9,378.94-14,070.90-2,805.18

Finding the Fourth Proportional to 9,378.94, 14,070.90 and 2,805.18

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Solution

The fourth proportional to 9,378.94, 14,070.90 and 2,805.18 is: 4,208.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378.94 : 14,070.90 = 2,805.18 : x
  2. Step 2: Convert to fraction form
    9,378.94/14,070.90 = 2,805.18/x
  3. Step 3: Cross multiply
    9,378.94x = 14,070.90 × 2,805.18
  4. Step 4: Simplify right side
    9,378.94x = 39,471,407.26
  5. Step 5: Solve for x
    x = 39,471,407.26/9,378.94
  6. Step 6: Final answer
    x = 4,208.51

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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.