Home / 8,569.18-12,853.63-2,645.92

Finding the Fourth Proportional to 8,569.18, 12,853.63 and 2,645.92

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Solution

The fourth proportional to 8,569.18, 12,853.63 and 2,645.92 is: 3,968.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569.18 : 12,853.63 = 2,645.92 : x
  2. Step 2: Convert to fraction form
    8,569.18/12,853.63 = 2,645.92/x
  3. Step 3: Cross multiply
    8,569.18x = 12,853.63 × 2,645.92
  4. Step 4: Simplify right side
    8,569.18x = 34,009,676.69
  5. Step 5: Solve for x
    x = 34,009,676.69/8,569.18
  6. Step 6: Final answer
    x = 3,968.84

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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.