Home / 8,569.13-12,855.59-3,642.98

Finding the Fourth Proportional to 8,569.13, 12,855.59 and 3,642.98

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Solution

The fourth proportional to 8,569.13, 12,855.59 and 3,642.98 is: 5,465.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569.13 : 12,855.59 = 3,642.98 : x
  2. Step 2: Convert to fraction form
    8,569.13/12,855.59 = 3,642.98/x
  3. Step 3: Cross multiply
    8,569.13x = 12,855.59 × 3,642.98
  4. Step 4: Simplify right side
    8,569.13x = 46,832,574.77
  5. Step 5: Solve for x
    x = 46,832,574.77/8,569.13
  6. Step 6: Final answer
    x = 5,465.27

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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.