Home / 8,501.81-12,756.56-4,339.67

Finding the Fourth Proportional to 8,501.81, 12,756.56 and 4,339.67

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Solution

The fourth proportional to 8,501.81, 12,756.56 and 4,339.67 is: 6,511.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.81 : 12,756.56 = 4,339.67 : x
  2. Step 2: Convert to fraction form
    8,501.81/12,756.56 = 4,339.67/x
  3. Step 3: Cross multiply
    8,501.81x = 12,756.56 × 4,339.67
  4. Step 4: Simplify right side
    8,501.81x = 55,359,175.25
  5. Step 5: Solve for x
    x = 55,359,175.25/8,501.81
  6. Step 6: Final answer
    x = 6,511.46

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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.