Home / 4,804.81-6,628.12-3,909.55

Finding the Fourth Proportional to 4,804.81, 6,628.12 and 3,909.55

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Solution

The fourth proportional to 4,804.81, 6,628.12 and 3,909.55 is: 5,393.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,804.81 : 6,628.12 = 3,909.55 : x
  2. Step 2: Convert to fraction form
    4,804.81/6,628.12 = 3,909.55/x
  3. Step 3: Cross multiply
    4,804.81x = 6,628.12 × 3,909.55
  4. Step 4: Simplify right side
    4,804.81x = 25,912,966.55
  5. Step 5: Solve for x
    x = 25,912,966.55/4,804.81
  6. Step 6: Final answer
    x = 5,393.13

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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.