Home / 7,126.65-9,814.37-5,134.05

Finding the Fourth Proportional to 7,126.65, 9,814.37 and 5,134.05

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Solution

The fourth proportional to 7,126.65, 9,814.37 and 5,134.05 is: 7,070.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.65 : 9,814.37 = 5,134.05 : x
  2. Step 2: Convert to fraction form
    7,126.65/9,814.37 = 5,134.05/x
  3. Step 3: Cross multiply
    7,126.65x = 9,814.37 × 5,134.05
  4. Step 4: Simplify right side
    7,126.65x = 50,387,440.63
  5. Step 5: Solve for x
    x = 50,387,440.63/7,126.65
  6. Step 6: Final answer
    x = 7,070.28

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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.