Home / 4,111.12-5,670.84-3,588.40

Finding the Fourth Proportional to 4,111.12, 5,670.84 and 3,588.40

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Solution

The fourth proportional to 4,111.12, 5,670.84 and 3,588.40 is: 4,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.12 : 5,670.84 = 3,588.40 : x
  2. Step 2: Convert to fraction form
    4,111.12/5,670.84 = 3,588.40/x
  3. Step 3: Cross multiply
    4,111.12x = 5,670.84 × 3,588.40
  4. Step 4: Simplify right side
    4,111.12x = 20,349,242.26
  5. Step 5: Solve for x
    x = 20,349,242.26/4,111.12
  6. Step 6: Final answer
    x = 4,949.80

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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.