Home / 7,742.80-10,685.99-4,599

Finding the Fourth Proportional to 7,742.80, 10,685.99 and 4,599

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Solution

The fourth proportional to 7,742.80, 10,685.99 and 4,599 is: 6,347.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.80 : 10,685.99 = 4,599 : x
  2. Step 2: Convert to fraction form
    7,742.80/10,685.99 = 4,599/x
  3. Step 3: Cross multiply
    7,742.80x = 10,685.99 × 4,599
  4. Step 4: Simplify right side
    7,742.80x = 49,144,868.01
  5. Step 5: Solve for x
    x = 49,144,868.01/7,742.80
  6. Step 6: Final answer
    x = 6,347.17

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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.