Home / 9,039.47-13,559.74-3,492.79

Finding the Fourth Proportional to 9,039.47, 13,559.74 and 3,492.79

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Solution

The fourth proportional to 9,039.47, 13,559.74 and 3,492.79 is: 5,239.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.47 : 13,559.74 = 3,492.79 : x
  2. Step 2: Convert to fraction form
    9,039.47/13,559.74 = 3,492.79/x
  3. Step 3: Cross multiply
    9,039.47x = 13,559.74 × 3,492.79
  4. Step 4: Simplify right side
    9,039.47x = 47,361,281.64
  5. Step 5: Solve for x
    x = 47,361,281.64/9,039.47
  6. Step 6: Final answer
    x = 5,239.39

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Similar ratio
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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.