Home / 7,405.59-11,116.08-4,291.67

Finding the Fourth Proportional to 7,405.59, 11,116.08 and 4,291.67

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Solution

The fourth proportional to 7,405.59, 11,116.08 and 4,291.67 is: 6,441.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.59 : 11,116.08 = 4,291.67 : x
  2. Step 2: Convert to fraction form
    7,405.59/11,116.08 = 4,291.67/x
  3. Step 3: Cross multiply
    7,405.59x = 11,116.08 × 4,291.67
  4. Step 4: Simplify right side
    7,405.59x = 47,706,491.47
  5. Step 5: Solve for x
    x = 47,706,491.47/7,405.59
  6. Step 6: Final answer
    x = 6,441.96

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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.