Home / 7,581.72-10,462.79-4,395.64

Finding the Fourth Proportional to 7,581.72, 10,462.79 and 4,395.64

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Solution

The fourth proportional to 7,581.72, 10,462.79 and 4,395.64 is: 6,065.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.72 : 10,462.79 = 4,395.64 : x
  2. Step 2: Convert to fraction form
    7,581.72/10,462.79 = 4,395.64/x
  3. Step 3: Cross multiply
    7,581.72x = 10,462.79 × 4,395.64
  4. Step 4: Simplify right side
    7,581.72x = 45,990,643.07
  5. Step 5: Solve for x
    x = 45,990,643.07/7,581.72
  6. Step 6: Final answer
    x = 6,065.99

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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.