Home / 8,810.96-12,160.35-5,454.86

Finding the Fourth Proportional to 8,810.96, 12,160.35 and 5,454.86

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Solution

The fourth proportional to 8,810.96, 12,160.35 and 5,454.86 is: 7,528.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.96 : 12,160.35 = 5,454.86 : x
  2. Step 2: Convert to fraction form
    8,810.96/12,160.35 = 5,454.86/x
  3. Step 3: Cross multiply
    8,810.96x = 12,160.35 × 5,454.86
  4. Step 4: Simplify right side
    8,810.96x = 66,332,946.00
  5. Step 5: Solve for x
    x = 66,332,946.00/8,810.96
  6. Step 6: Final answer
    x = 7,528.46

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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.