Home / 7,102.04-9,800.68-4,118.15

Finding the Fourth Proportional to 7,102.04, 9,800.68 and 4,118.15

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Solution

The fourth proportional to 7,102.04, 9,800.68 and 4,118.15 is: 5,682.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102.04 : 9,800.68 = 4,118.15 : x
  2. Step 2: Convert to fraction form
    7,102.04/9,800.68 = 4,118.15/x
  3. Step 3: Cross multiply
    7,102.04x = 9,800.68 × 4,118.15
  4. Step 4: Simplify right side
    7,102.04x = 40,360,670.34
  5. Step 5: Solve for x
    x = 40,360,670.34/7,102.04
  6. Step 6: Final answer
    x = 5,682.97

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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.