Home / 4,352.80-6,528.56-1,391.57

Finding the Fourth Proportional to 4,352.80, 6,528.56 and 1,391.57

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Solution

The fourth proportional to 4,352.80, 6,528.56 and 1,391.57 is: 2,087.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,352.80 : 6,528.56 = 1,391.57 : x
  2. Step 2: Convert to fraction form
    4,352.80/6,528.56 = 1,391.57/x
  3. Step 3: Cross multiply
    4,352.80x = 6,528.56 × 1,391.57
  4. Step 4: Simplify right side
    4,352.80x = 9,084,955.40
  5. Step 5: Solve for x
    x = 9,084,955.40/4,352.80
  6. Step 6: Final answer
    x = 2,087.15

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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.