Home / 4,385.90-6,522.48-4,247.51

Finding the Fourth Proportional to 4,385.90, 6,522.48 and 4,247.51

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Solution

The fourth proportional to 4,385.90, 6,522.48 and 4,247.51 is: 6,316.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,385.90 : 6,522.48 = 4,247.51 : x
  2. Step 2: Convert to fraction form
    4,385.90/6,522.48 = 4,247.51/x
  3. Step 3: Cross multiply
    4,385.90x = 6,522.48 × 4,247.51
  4. Step 4: Simplify right side
    4,385.90x = 27,704,266.41
  5. Step 5: Solve for x
    x = 27,704,266.41/4,385.90
  6. Step 6: Final answer
    x = 6,316.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.