Home / 6,619.18-9,925.85-3,110.18

Finding the Fourth Proportional to 6,619.18, 9,925.85 and 3,110.18

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Solution

The fourth proportional to 6,619.18, 9,925.85 and 3,110.18 is: 4,663.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.18 : 9,925.85 = 3,110.18 : x
  2. Step 2: Convert to fraction form
    6,619.18/9,925.85 = 3,110.18/x
  3. Step 3: Cross multiply
    6,619.18x = 9,925.85 × 3,110.18
  4. Step 4: Simplify right side
    6,619.18x = 30,871,212.74
  5. Step 5: Solve for x
    x = 30,871,212.74/6,619.18
  6. Step 6: Final answer
    x = 4,663.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.