Home / 7,261.29-10,021.50-4,116.87

Finding the Fourth Proportional to 7,261.29, 10,021.50 and 4,116.87

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Solution

The fourth proportional to 7,261.29, 10,021.50 and 4,116.87 is: 5,681.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.29 : 10,021.50 = 4,116.87 : x
  2. Step 2: Convert to fraction form
    7,261.29/10,021.50 = 4,116.87/x
  3. Step 3: Cross multiply
    7,261.29x = 10,021.50 × 4,116.87
  4. Step 4: Simplify right side
    7,261.29x = 41,257,212.71
  5. Step 5: Solve for x
    x = 41,257,212.71/7,261.29
  6. Step 6: Final answer
    x = 5,681.80

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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.