Home / 9,079.48-13,589.88-4,690.90

Finding the Fourth Proportional to 9,079.48, 13,589.88 and 4,690.90

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Solution

The fourth proportional to 9,079.48, 13,589.88 and 4,690.90 is: 7,021.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.48 : 13,589.88 = 4,690.90 : x
  2. Step 2: Convert to fraction form
    9,079.48/13,589.88 = 4,690.90/x
  3. Step 3: Cross multiply
    9,079.48x = 13,589.88 × 4,690.90
  4. Step 4: Simplify right side
    9,079.48x = 63,748,768.09
  5. Step 5: Solve for x
    x = 63,748,768.09/9,079.48
  6. Step 6: Final answer
    x = 7,021.19

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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.