Home / 8,412.30-11,609.46-4,875.84

Finding the Fourth Proportional to 8,412.30, 11,609.46 and 4,875.84

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Solution

The fourth proportional to 8,412.30, 11,609.46 and 4,875.84 is: 6,728.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412.30 : 11,609.46 = 4,875.84 : x
  2. Step 2: Convert to fraction form
    8,412.30/11,609.46 = 4,875.84/x
  3. Step 3: Cross multiply
    8,412.30x = 11,609.46 × 4,875.84
  4. Step 4: Simplify right side
    8,412.30x = 56,605,869.45
  5. Step 5: Solve for x
    x = 56,605,869.45/8,412.30
  6. Step 6: Final answer
    x = 6,728.94

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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.