Home / 7,039.82-9,710.70-4,521.08

Finding the Fourth Proportional to 7,039.82, 9,710.70 and 4,521.08

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Solution

The fourth proportional to 7,039.82, 9,710.70 and 4,521.08 is: 6,236.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.82 : 9,710.70 = 4,521.08 : x
  2. Step 2: Convert to fraction form
    7,039.82/9,710.70 = 4,521.08/x
  3. Step 3: Cross multiply
    7,039.82x = 9,710.70 × 4,521.08
  4. Step 4: Simplify right side
    7,039.82x = 43,902,851.56
  5. Step 5: Solve for x
    x = 43,902,851.56/7,039.82
  6. Step 6: Final answer
    x = 6,236.36

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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.