Home / 7,961.25-10,985.69-4,605.15

Finding the Fourth Proportional to 7,961.25, 10,985.69 and 4,605.15

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Solution

The fourth proportional to 7,961.25, 10,985.69 and 4,605.15 is: 6,354.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.25 : 10,985.69 = 4,605.15 : x
  2. Step 2: Convert to fraction form
    7,961.25/10,985.69 = 4,605.15/x
  3. Step 3: Cross multiply
    7,961.25x = 10,985.69 × 4,605.15
  4. Step 4: Simplify right side
    7,961.25x = 50,590,803.01
  5. Step 5: Solve for x
    x = 50,590,803.01/7,961.25
  6. Step 6: Final answer
    x = 6,354.63

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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.