Home / 7,119.57-9,823.51-4,133.87

Finding the Fourth Proportional to 7,119.57, 9,823.51 and 4,133.87

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Solution

The fourth proportional to 7,119.57, 9,823.51 and 4,133.87 is: 5,703.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119.57 : 9,823.51 = 4,133.87 : x
  2. Step 2: Convert to fraction form
    7,119.57/9,823.51 = 4,133.87/x
  3. Step 3: Cross multiply
    7,119.57x = 9,823.51 × 4,133.87
  4. Step 4: Simplify right side
    7,119.57x = 40,609,053.83
  5. Step 5: Solve for x
    x = 40,609,053.83/7,119.57
  6. Step 6: Final answer
    x = 5,703.86

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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.