Home / 7,015.90-10,525.92-2,085.64

Finding the Fourth Proportional to 7,015.90, 10,525.92 and 2,085.64

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Solution

The fourth proportional to 7,015.90, 10,525.92 and 2,085.64 is: 3,129.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.90 : 10,525.92 = 2,085.64 : x
  2. Step 2: Convert to fraction form
    7,015.90/10,525.92 = 2,085.64/x
  3. Step 3: Cross multiply
    7,015.90x = 10,525.92 × 2,085.64
  4. Step 4: Simplify right side
    7,015.90x = 21,953,279.79
  5. Step 5: Solve for x
    x = 21,953,279.79/7,015.90
  6. Step 6: Final answer
    x = 3,129.08

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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.