Home / 7,015.87-10,525.77-2,085.70

Finding the Fourth Proportional to 7,015.87, 10,525.77 and 2,085.70

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Solution

The fourth proportional to 7,015.87, 10,525.77 and 2,085.70 is: 3,129.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.87 : 10,525.77 = 2,085.70 : x
  2. Step 2: Convert to fraction form
    7,015.87/10,525.77 = 2,085.70/x
  3. Step 3: Cross multiply
    7,015.87x = 10,525.77 × 2,085.70
  4. Step 4: Simplify right side
    7,015.87x = 21,953,598.49
  5. Step 5: Solve for x
    x = 21,953,598.49/7,015.87
  6. Step 6: Final answer
    x = 3,129.13

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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.