Home / 4,381.30-6,557.55-3,085.30

Finding the Fourth Proportional to 4,381.30, 6,557.55 and 3,085.30

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Solution

The fourth proportional to 4,381.30, 6,557.55 and 3,085.30 is: 4,617.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381.30 : 6,557.55 = 3,085.30 : x
  2. Step 2: Convert to fraction form
    4,381.30/6,557.55 = 3,085.30/x
  3. Step 3: Cross multiply
    4,381.30x = 6,557.55 × 3,085.30
  4. Step 4: Simplify right side
    4,381.30x = 20,232,009.02
  5. Step 5: Solve for x
    x = 20,232,009.02/4,381.30
  6. Step 6: Final answer
    x = 4,617.81

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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.