Home / 7,810.82-11,715.51-4,513.58

Finding the Fourth Proportional to 7,810.82, 11,715.51 and 4,513.58

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Solution

The fourth proportional to 7,810.82, 11,715.51 and 4,513.58 is: 6,769.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810.82 : 11,715.51 = 4,513.58 : x
  2. Step 2: Convert to fraction form
    7,810.82/11,715.51 = 4,513.58/x
  3. Step 3: Cross multiply
    7,810.82x = 11,715.51 × 4,513.58
  4. Step 4: Simplify right side
    7,810.82x = 52,878,891.63
  5. Step 5: Solve for x
    x = 52,878,891.63/7,810.82
  6. Step 6: Final answer
    x = 6,769.95

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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.