Home / 8,437.49-12,656.59-2,894.65

Finding the Fourth Proportional to 8,437.49, 12,656.59 and 2,894.65

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Solution

The fourth proportional to 8,437.49, 12,656.59 and 2,894.65 is: 4,342.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.49 : 12,656.59 = 2,894.65 : x
  2. Step 2: Convert to fraction form
    8,437.49/12,656.59 = 2,894.65/x
  3. Step 3: Cross multiply
    8,437.49x = 12,656.59 × 2,894.65
  4. Step 4: Simplify right side
    8,437.49x = 36,636,320.49
  5. Step 5: Solve for x
    x = 36,636,320.49/8,437.49
  6. Step 6: Final answer
    x = 4,342.09

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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.