Home / 7,125.54-10,689.88-2,445.44

Finding the Fourth Proportional to 7,125.54, 10,689.88 and 2,445.44

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Solution

The fourth proportional to 7,125.54, 10,689.88 and 2,445.44 is: 3,668.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.54 : 10,689.88 = 2,445.44 : x
  2. Step 2: Convert to fraction form
    7,125.54/10,689.88 = 2,445.44/x
  3. Step 3: Cross multiply
    7,125.54x = 10,689.88 × 2,445.44
  4. Step 4: Simplify right side
    7,125.54x = 26,141,465.30
  5. Step 5: Solve for x
    x = 26,141,465.30/7,125.54
  6. Step 6: Final answer
    x = 3,668.70

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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.