Home / 7,616.39-10,511.10-4,259.61

Finding the Fourth Proportional to 7,616.39, 10,511.10 and 4,259.61

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Solution

The fourth proportional to 7,616.39, 10,511.10 and 4,259.61 is: 5,878.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.39 : 10,511.10 = 4,259.61 : x
  2. Step 2: Convert to fraction form
    7,616.39/10,511.10 = 4,259.61/x
  3. Step 3: Cross multiply
    7,616.39x = 10,511.10 × 4,259.61
  4. Step 4: Simplify right side
    7,616.39x = 44,773,186.67
  5. Step 5: Solve for x
    x = 44,773,186.67/7,616.39
  6. Step 6: Final answer
    x = 5,878.54

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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.