Home / 8,605.13-11,875.20-4,829.12

Finding the Fourth Proportional to 8,605.13, 11,875.20 and 4,829.12

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Solution

The fourth proportional to 8,605.13, 11,875.20 and 4,829.12 is: 6,664.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,605.13 : 11,875.20 = 4,829.12 : x
  2. Step 2: Convert to fraction form
    8,605.13/11,875.20 = 4,829.12/x
  3. Step 3: Cross multiply
    8,605.13x = 11,875.20 × 4,829.12
  4. Step 4: Simplify right side
    8,605.13x = 57,346,706.45
  5. Step 5: Solve for x
    x = 57,346,706.45/8,605.13
  6. Step 6: Final answer
    x = 6,664.24

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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.