Home / 7,740.90-10,682.57-4,204.10

Finding the Fourth Proportional to 7,740.90, 10,682.57 and 4,204.10

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Solution

The fourth proportional to 7,740.90, 10,682.57 and 4,204.10 is: 5,801.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.90 : 10,682.57 = 4,204.10 : x
  2. Step 2: Convert to fraction form
    7,740.90/10,682.57 = 4,204.10/x
  3. Step 3: Cross multiply
    7,740.90x = 10,682.57 × 4,204.10
  4. Step 4: Simplify right side
    7,740.90x = 44,910,518.10
  5. Step 5: Solve for x
    x = 44,910,518.10/7,740.90
  6. Step 6: Final answer
    x = 5,801.72

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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.