Home / 9,068.61-13,604.28-4,909.20

Finding the Fourth Proportional to 9,068.61, 13,604.28 and 4,909.20

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Solution

The fourth proportional to 9,068.61, 13,604.28 and 4,909.20 is: 7,364.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,068.61 : 13,604.28 = 4,909.20 : x
  2. Step 2: Convert to fraction form
    9,068.61/13,604.28 = 4,909.20/x
  3. Step 3: Cross multiply
    9,068.61x = 13,604.28 × 4,909.20
  4. Step 4: Simplify right side
    9,068.61x = 66,786,131.38
  5. Step 5: Solve for x
    x = 66,786,131.38/9,068.61
  6. Step 6: Final answer
    x = 7,364.54

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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.