Home / 7,085.40-10,626.96-4,453.08

Finding the Fourth Proportional to 7,085.40, 10,626.96 and 4,453.08

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Solution

The fourth proportional to 7,085.40, 10,626.96 and 4,453.08 is: 6,678.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085.40 : 10,626.96 = 4,453.08 : x
  2. Step 2: Convert to fraction form
    7,085.40/10,626.96 = 4,453.08/x
  3. Step 3: Cross multiply
    7,085.40x = 10,626.96 × 4,453.08
  4. Step 4: Simplify right side
    7,085.40x = 47,322,703.04
  5. Step 5: Solve for x
    x = 47,322,703.04/7,085.40
  6. Step 6: Final answer
    x = 6,678.90

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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.