Home / 5,439.60-7,506.57-2,955.60

Finding the Fourth Proportional to 5,439.60, 7,506.57 and 2,955.60

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Solution

The fourth proportional to 5,439.60, 7,506.57 and 2,955.60 is: 4,078.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.60 : 7,506.57 = 2,955.60 : x
  2. Step 2: Convert to fraction form
    5,439.60/7,506.57 = 2,955.60/x
  3. Step 3: Cross multiply
    5,439.60x = 7,506.57 × 2,955.60
  4. Step 4: Simplify right side
    5,439.60x = 22,186,418.29
  5. Step 5: Solve for x
    x = 22,186,418.29/5,439.60
  6. Step 6: Final answer
    x = 4,078.69

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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.