Home / 5,389.55-7,435.84-3,264.40

Finding the Fourth Proportional to 5,389.55, 7,435.84 and 3,264.40

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Solution

The fourth proportional to 5,389.55, 7,435.84 and 3,264.40 is: 4,503.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.55 : 7,435.84 = 3,264.40 : x
  2. Step 2: Convert to fraction form
    5,389.55/7,435.84 = 3,264.40/x
  3. Step 3: Cross multiply
    5,389.55x = 7,435.84 × 3,264.40
  4. Step 4: Simplify right side
    5,389.55x = 24,273,556.10
  5. Step 5: Solve for x
    x = 24,273,556.10/5,389.55
  6. Step 6: Final answer
    x = 4,503.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.