Home / 5,085.10-7,001.85-4,452.09

Finding the Fourth Proportional to 5,085.10, 7,001.85 and 4,452.09

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Solution

The fourth proportional to 5,085.10, 7,001.85 and 4,452.09 is: 6,130.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.10 : 7,001.85 = 4,452.09 : x
  2. Step 2: Convert to fraction form
    5,085.10/7,001.85 = 4,452.09/x
  3. Step 3: Cross multiply
    5,085.10x = 7,001.85 × 4,452.09
  4. Step 4: Simplify right side
    5,085.10x = 31,172,866.37
  5. Step 5: Solve for x
    x = 31,172,866.37/5,085.10
  6. Step 6: Final answer
    x = 6,130.24

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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.