Home / 7,982.16-11,018.04-4,625.76

Finding the Fourth Proportional to 7,982.16, 11,018.04 and 4,625.76

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Solution

The fourth proportional to 7,982.16, 11,018.04 and 4,625.76 is: 6,385.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.16 : 11,018.04 = 4,625.76 : x
  2. Step 2: Convert to fraction form
    7,982.16/11,018.04 = 4,625.76/x
  3. Step 3: Cross multiply
    7,982.16x = 11,018.04 × 4,625.76
  4. Step 4: Simplify right side
    7,982.16x = 50,966,808.71
  5. Step 5: Solve for x
    x = 50,966,808.71/7,982.16
  6. Step 6: Final answer
    x = 6,385.09

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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.