Home / 8,740.95-12,052.05-7,141.69

Finding the Fourth Proportional to 8,740.95, 12,052.05 and 7,141.69

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Solution

The fourth proportional to 8,740.95, 12,052.05 and 7,141.69 is: 9,846.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.95 : 12,052.05 = 7,141.69 : x
  2. Step 2: Convert to fraction form
    8,740.95/12,052.05 = 7,141.69/x
  3. Step 3: Cross multiply
    8,740.95x = 12,052.05 × 7,141.69
  4. Step 4: Simplify right side
    8,740.95x = 86,072,004.96
  5. Step 5: Solve for x
    x = 86,072,004.96/8,740.95
  6. Step 6: Final answer
    x = 9,846.99

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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.