Home / 8,730.07-13,094.76-2,156.08

Finding the Fourth Proportional to 8,730.07, 13,094.76 and 2,156.08

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Solution

The fourth proportional to 8,730.07, 13,094.76 and 2,156.08 is: 3,234.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.07 : 13,094.76 = 2,156.08 : x
  2. Step 2: Convert to fraction form
    8,730.07/13,094.76 = 2,156.08/x
  3. Step 3: Cross multiply
    8,730.07x = 13,094.76 × 2,156.08
  4. Step 4: Simplify right side
    8,730.07x = 28,233,350.14
  5. Step 5: Solve for x
    x = 28,233,350.14/8,730.07
  6. Step 6: Final answer
    x = 3,234.03

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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.