Home / 6,477.28-9,715.92-2,095.16

Finding the Fourth Proportional to 6,477.28, 9,715.92 and 2,095.16

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Solution

The fourth proportional to 6,477.28, 9,715.92 and 2,095.16 is: 3,142.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477.28 : 9,715.92 = 2,095.16 : x
  2. Step 2: Convert to fraction form
    6,477.28/9,715.92 = 2,095.16/x
  3. Step 3: Cross multiply
    6,477.28x = 9,715.92 × 2,095.16
  4. Step 4: Simplify right side
    6,477.28x = 20,356,406.95
  5. Step 5: Solve for x
    x = 20,356,406.95/6,477.28
  6. Step 6: Final answer
    x = 3,142.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.