Home / 6,903.88-9,521.70-5,015.56

Finding the Fourth Proportional to 6,903.88, 9,521.70 and 5,015.56

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Solution

The fourth proportional to 6,903.88, 9,521.70 and 5,015.56 is: 6,917.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,903.88 : 9,521.70 = 5,015.56 : x
  2. Step 2: Convert to fraction form
    6,903.88/9,521.70 = 5,015.56/x
  3. Step 3: Cross multiply
    6,903.88x = 9,521.70 × 5,015.56
  4. Step 4: Simplify right side
    6,903.88x = 47,756,657.65
  5. Step 5: Solve for x
    x = 47,756,657.65/6,903.88
  6. Step 6: Final answer
    x = 6,917.36

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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.