Home / 7,803.21-10,767.56-4,616.61

Finding the Fourth Proportional to 7,803.21, 10,767.56 and 4,616.61

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Solution

The fourth proportional to 7,803.21, 10,767.56 and 4,616.61 is: 6,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,803.21 : 10,767.56 = 4,616.61 : x
  2. Step 2: Convert to fraction form
    7,803.21/10,767.56 = 4,616.61/x
  3. Step 3: Cross multiply
    7,803.21x = 10,767.56 × 4,616.61
  4. Step 4: Simplify right side
    7,803.21x = 49,709,561.71
  5. Step 5: Solve for x
    x = 49,709,561.71/7,803.21
  6. Step 6: Final answer
    x = 6,370.40

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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.