Home / 8,769.81-12,098.88-5,582.28

Finding the Fourth Proportional to 8,769.81, 12,098.88 and 5,582.28

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Solution

The fourth proportional to 8,769.81, 12,098.88 and 5,582.28 is: 7,701.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.81 : 12,098.88 = 5,582.28 : x
  2. Step 2: Convert to fraction form
    8,769.81/12,098.88 = 5,582.28/x
  3. Step 3: Cross multiply
    8,769.81x = 12,098.88 × 5,582.28
  4. Step 4: Simplify right side
    8,769.81x = 67,539,335.85
  5. Step 5: Solve for x
    x = 67,539,335.85/8,769.81
  6. Step 6: Final answer
    x = 7,701.35

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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.