Home / 7,578.32-10,453.07-4,740.77

Finding the Fourth Proportional to 7,578.32, 10,453.07 and 4,740.77

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Solution

The fourth proportional to 7,578.32, 10,453.07 and 4,740.77 is: 6,539.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578.32 : 10,453.07 = 4,740.77 : x
  2. Step 2: Convert to fraction form
    7,578.32/10,453.07 = 4,740.77/x
  3. Step 3: Cross multiply
    7,578.32x = 10,453.07 × 4,740.77
  4. Step 4: Simplify right side
    7,578.32x = 49,555,638.65
  5. Step 5: Solve for x
    x = 49,555,638.65/7,578.32
  6. Step 6: Final answer
    x = 6,539.14

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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.