Home / 8,522.16-12,765.93-4,302.81

Finding the Fourth Proportional to 8,522.16, 12,765.93 and 4,302.81

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Solution

The fourth proportional to 8,522.16, 12,765.93 and 4,302.81 is: 6,445.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522.16 : 12,765.93 = 4,302.81 : x
  2. Step 2: Convert to fraction form
    8,522.16/12,765.93 = 4,302.81/x
  3. Step 3: Cross multiply
    8,522.16x = 12,765.93 × 4,302.81
  4. Step 4: Simplify right side
    8,522.16x = 54,929,371.26
  5. Step 5: Solve for x
    x = 54,929,371.26/8,522.16
  6. Step 6: Final answer
    x = 6,445.48

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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.