Home / 7,705.80-10,632.02-4,720.56

Finding the Fourth Proportional to 7,705.80, 10,632.02 and 4,720.56

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Solution

The fourth proportional to 7,705.80, 10,632.02 and 4,720.56 is: 6,513.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,705.80 : 10,632.02 = 4,720.56 : x
  2. Step 2: Convert to fraction form
    7,705.80/10,632.02 = 4,720.56/x
  3. Step 3: Cross multiply
    7,705.80x = 10,632.02 × 4,720.56
  4. Step 4: Simplify right side
    7,705.80x = 50,189,064.73
  5. Step 5: Solve for x
    x = 50,189,064.73/7,705.80
  6. Step 6: Final answer
    x = 6,513.15

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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.