Home / 4,899.23-6,756.36-3,778.40

Finding the Fourth Proportional to 4,899.23, 6,756.36 and 3,778.40

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Solution

The fourth proportional to 4,899.23, 6,756.36 and 3,778.40 is: 5,210.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.23 : 6,756.36 = 3,778.40 : x
  2. Step 2: Convert to fraction form
    4,899.23/6,756.36 = 3,778.40/x
  3. Step 3: Cross multiply
    4,899.23x = 6,756.36 × 3,778.40
  4. Step 4: Simplify right side
    4,899.23x = 25,528,216.59
  5. Step 5: Solve for x
    x = 25,528,216.59/4,899.23
  6. Step 6: Final answer
    x = 5,210.65

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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.