Home / 7,620.84-10,517.88-4,636.10

Finding the Fourth Proportional to 7,620.84, 10,517.88 and 4,636.10

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Solution

The fourth proportional to 7,620.84, 10,517.88 and 4,636.10 is: 6,398.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.84 : 10,517.88 = 4,636.10 : x
  2. Step 2: Convert to fraction form
    7,620.84/10,517.88 = 4,636.10/x
  3. Step 3: Cross multiply
    7,620.84x = 10,517.88 × 4,636.10
  4. Step 4: Simplify right side
    7,620.84x = 48,761,943.47
  5. Step 5: Solve for x
    x = 48,761,943.47/7,620.84
  6. Step 6: Final answer
    x = 6,398.50

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1.5x scale

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.