Home / 7,720.32-10,653.84-4,362.96

Finding the Fourth Proportional to 7,720.32, 10,653.84 and 4,362.96

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Solution

The fourth proportional to 7,720.32, 10,653.84 and 4,362.96 is: 6,020.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.32 : 10,653.84 = 4,362.96 : x
  2. Step 2: Convert to fraction form
    7,720.32/10,653.84 = 4,362.96/x
  3. Step 3: Cross multiply
    7,720.32x = 10,653.84 × 4,362.96
  4. Step 4: Simplify right side
    7,720.32x = 46,482,277.77
  5. Step 5: Solve for x
    x = 46,482,277.77/7,720.32
  6. Step 6: Final answer
    x = 6,020.77

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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.