Home / 8,748.66-13,123.11-4,877.67

Finding the Fourth Proportional to 8,748.66, 13,123.11 and 4,877.67

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Solution

The fourth proportional to 8,748.66, 13,123.11 and 4,877.67 is: 7,316.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.66 : 13,123.11 = 4,877.67 : x
  2. Step 2: Convert to fraction form
    8,748.66/13,123.11 = 4,877.67/x
  3. Step 3: Cross multiply
    8,748.66x = 13,123.11 × 4,877.67
  4. Step 4: Simplify right side
    8,748.66x = 64,010,199.95
  5. Step 5: Solve for x
    x = 64,010,199.95/8,748.66
  6. Step 6: Final answer
    x = 7,316.57

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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.