Home / 4,811.29-7,216.93-2,615.40

Finding the Fourth Proportional to 4,811.29, 7,216.93 and 2,615.40

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Solution

The fourth proportional to 4,811.29, 7,216.93 and 2,615.40 is: 3,923.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.29 : 7,216.93 = 2,615.40 : x
  2. Step 2: Convert to fraction form
    4,811.29/7,216.93 = 2,615.40/x
  3. Step 3: Cross multiply
    4,811.29x = 7,216.93 × 2,615.40
  4. Step 4: Simplify right side
    4,811.29x = 18,875,161.20
  5. Step 5: Solve for x
    x = 18,875,161.20/4,811.29
  6. Step 6: Final answer
    x = 3,923.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.