Home / 6,634.62-9,159.30-5,139.18

Finding the Fourth Proportional to 6,634.62, 9,159.30 and 5,139.18

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Solution

The fourth proportional to 6,634.62, 9,159.30 and 5,139.18 is: 7,094.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,634.62 : 9,159.30 = 5,139.18 : x
  2. Step 2: Convert to fraction form
    6,634.62/9,159.30 = 5,139.18/x
  3. Step 3: Cross multiply
    6,634.62x = 9,159.30 × 5,139.18
  4. Step 4: Simplify right side
    6,634.62x = 47,071,291.37
  5. Step 5: Solve for x
    x = 47,071,291.37/6,634.62
  6. Step 6: Final answer
    x = 7,094.80

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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.