Home / 7,618.89-10,513.98-4,634.17

Finding the Fourth Proportional to 7,618.89, 10,513.98 and 4,634.17

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Solution

The fourth proportional to 7,618.89, 10,513.98 and 4,634.17 is: 6,395.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.89 : 10,513.98 = 4,634.17 : x
  2. Step 2: Convert to fraction form
    7,618.89/10,513.98 = 4,634.17/x
  3. Step 3: Cross multiply
    7,618.89x = 10,513.98 × 4,634.17
  4. Step 4: Simplify right side
    7,618.89x = 48,723,570.70
  5. Step 5: Solve for x
    x = 48,723,570.70/7,618.89
  6. Step 6: Final answer
    x = 6,395.10

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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.