Home / 6,516.15-8,989.48-3,862.13

Finding the Fourth Proportional to 6,516.15, 8,989.48 and 3,862.13

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Solution

The fourth proportional to 6,516.15, 8,989.48 and 3,862.13 is: 5,328.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516.15 : 8,989.48 = 3,862.13 : x
  2. Step 2: Convert to fraction form
    6,516.15/8,989.48 = 3,862.13/x
  3. Step 3: Cross multiply
    6,516.15x = 8,989.48 × 3,862.13
  4. Step 4: Simplify right side
    6,516.15x = 34,718,550.84
  5. Step 5: Solve for x
    x = 34,718,550.84/6,516.15
  6. Step 6: Final answer
    x = 5,328.08

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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.