Home / 6,130.13-9,199.80-4,490.90

Finding the Fourth Proportional to 6,130.13, 9,199.80 and 4,490.90

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Solution

The fourth proportional to 6,130.13, 9,199.80 and 4,490.90 is: 6,739.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,130.13 : 9,199.80 = 4,490.90 : x
  2. Step 2: Convert to fraction form
    6,130.13/9,199.80 = 4,490.90/x
  3. Step 3: Cross multiply
    6,130.13x = 9,199.80 × 4,490.90
  4. Step 4: Simplify right side
    6,130.13x = 41,315,381.82
  5. Step 5: Solve for x
    x = 41,315,381.82/6,130.13
  6. Step 6: Final answer
    x = 6,739.72

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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.