Home / 7,307.29-10,085.04-4,121.24

Finding the Fourth Proportional to 7,307.29, 10,085.04 and 4,121.24

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Solution

The fourth proportional to 7,307.29, 10,085.04 and 4,121.24 is: 5,687.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,307.29 : 10,085.04 = 4,121.24 : x
  2. Step 2: Convert to fraction form
    7,307.29/10,085.04 = 4,121.24/x
  3. Step 3: Cross multiply
    7,307.29x = 10,085.04 × 4,121.24
  4. Step 4: Simplify right side
    7,307.29x = 41,562,799.22
  5. Step 5: Solve for x
    x = 41,562,799.22/7,307.29
  6. Step 6: Final answer
    x = 5,687.86

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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.