Home / 5,516.76-8,276.54-1,621.16

Finding the Fourth Proportional to 5,516.76, 8,276.54 and 1,621.16

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Solution

The fourth proportional to 5,516.76, 8,276.54 and 1,621.16 is: 2,432.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.76 : 8,276.54 = 1,621.16 : x
  2. Step 2: Convert to fraction form
    5,516.76/8,276.54 = 1,621.16/x
  3. Step 3: Cross multiply
    5,516.76x = 8,276.54 × 1,621.16
  4. Step 4: Simplify right side
    5,516.76x = 13,417,628.25
  5. Step 5: Solve for x
    x = 13,417,628.25/5,516.76
  6. Step 6: Final answer
    x = 2,432.16

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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.