Home / 7,998.40-11,984.64-4,875.04

Finding the Fourth Proportional to 7,998.40, 11,984.64 and 4,875.04

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Solution

The fourth proportional to 7,998.40, 11,984.64 and 4,875.04 is: 7,304.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.40 : 11,984.64 = 4,875.04 : x
  2. Step 2: Convert to fraction form
    7,998.40/11,984.64 = 4,875.04/x
  3. Step 3: Cross multiply
    7,998.40x = 11,984.64 × 4,875.04
  4. Step 4: Simplify right side
    7,998.40x = 58,425,599.39
  5. Step 5: Solve for x
    x = 58,425,599.39/7,998.40
  6. Step 6: Final answer
    x = 7,304.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.