Home / 7,085.50-10,620.02-6,265.38

Finding the Fourth Proportional to 7,085.50, 10,620.02 and 6,265.38

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Solution

The fourth proportional to 7,085.50, 10,620.02 and 6,265.38 is: 9,390.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085.50 : 10,620.02 = 6,265.38 : x
  2. Step 2: Convert to fraction form
    7,085.50/10,620.02 = 6,265.38/x
  3. Step 3: Cross multiply
    7,085.50x = 10,620.02 × 6,265.38
  4. Step 4: Simplify right side
    7,085.50x = 66,538,460.91
  5. Step 5: Solve for x
    x = 66,538,460.91/7,085.50
  6. Step 6: Final answer
    x = 9,390.79

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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.