Home / 7,718.04-10,650.95-4,181.28

Finding the Fourth Proportional to 7,718.04, 10,650.95 and 4,181.28

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Solution

The fourth proportional to 7,718.04, 10,650.95 and 4,181.28 is: 5,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.04 : 10,650.95 = 4,181.28 : x
  2. Step 2: Convert to fraction form
    7,718.04/10,650.95 = 4,181.28/x
  3. Step 3: Cross multiply
    7,718.04x = 10,650.95 × 4,181.28
  4. Step 4: Simplify right side
    7,718.04x = 44,534,604.22
  5. Step 5: Solve for x
    x = 44,534,604.22/7,718.04
  6. Step 6: Final answer
    x = 5,770.20

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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.