Home / 6,486.07-9,667.40-6,116.98

Finding the Fourth Proportional to 6,486.07, 9,667.40 and 6,116.98

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Solution

The fourth proportional to 6,486.07, 9,667.40 and 6,116.98 is: 9,117.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,486.07 : 9,667.40 = 6,116.98 : x
  2. Step 2: Convert to fraction form
    6,486.07/9,667.40 = 6,116.98/x
  3. Step 3: Cross multiply
    6,486.07x = 9,667.40 × 6,116.98
  4. Step 4: Simplify right side
    6,486.07x = 59,135,292.45
  5. Step 5: Solve for x
    x = 59,135,292.45/6,486.07
  6. Step 6: Final answer
    x = 9,117.28

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.