Home / 9,160.75-12,641.84-4,969

Finding the Fourth Proportional to 9,160.75, 12,641.84 and 4,969

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Solution

The fourth proportional to 9,160.75, 12,641.84 and 4,969 is: 6,857.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160.75 : 12,641.84 = 4,969 : x
  2. Step 2: Convert to fraction form
    9,160.75/12,641.84 = 4,969/x
  3. Step 3: Cross multiply
    9,160.75x = 12,641.84 × 4,969
  4. Step 4: Simplify right side
    9,160.75x = 62,817,302.96
  5. Step 5: Solve for x
    x = 62,817,302.96/9,160.75
  6. Step 6: Final answer
    x = 6,857.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.