Home / 8,740.28-12,051.10-7,141

Finding the Fourth Proportional to 8,740.28, 12,051.10 and 7,141

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Solution

The fourth proportional to 8,740.28, 12,051.10 and 7,141 is: 9,846.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.28 : 12,051.10 = 7,141 : x
  2. Step 2: Convert to fraction form
    8,740.28/12,051.10 = 7,141/x
  3. Step 3: Cross multiply
    8,740.28x = 12,051.10 × 7,141
  4. Step 4: Simplify right side
    8,740.28x = 86,056,905.10
  5. Step 5: Solve for x
    x = 86,056,905.10/8,740.28
  6. Step 6: Final answer
    x = 9,846.01

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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.