Home / 4,778.19-6,595.31-3,187.16

Finding the Fourth Proportional to 4,778.19, 6,595.31 and 3,187.16

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Solution

The fourth proportional to 4,778.19, 6,595.31 and 3,187.16 is: 4,399.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.19 : 6,595.31 = 3,187.16 : x
  2. Step 2: Convert to fraction form
    4,778.19/6,595.31 = 3,187.16/x
  3. Step 3: Cross multiply
    4,778.19x = 6,595.31 × 3,187.16
  4. Step 4: Simplify right side
    4,778.19x = 21,020,259.31
  5. Step 5: Solve for x
    x = 21,020,259.31/4,778.19
  6. Step 6: Final answer
    x = 4,399.21

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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.