Home / 6,900.80-10,345.52-2,515.46

Finding the Fourth Proportional to 6,900.80, 10,345.52 and 2,515.46

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Solution

The fourth proportional to 6,900.80, 10,345.52 and 2,515.46 is: 3,771.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.80 : 10,345.52 = 2,515.46 : x
  2. Step 2: Convert to fraction form
    6,900.80/10,345.52 = 2,515.46/x
  3. Step 3: Cross multiply
    6,900.80x = 10,345.52 × 2,515.46
  4. Step 4: Simplify right side
    6,900.80x = 26,023,696.30
  5. Step 5: Solve for x
    x = 26,023,696.30/6,900.80
  6. Step 6: Final answer
    x = 3,771.12

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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.