Home / 6,315.80-9,473.15-2,155.91

Finding the Fourth Proportional to 6,315.80, 9,473.15 and 2,155.91

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Solution

The fourth proportional to 6,315.80, 9,473.15 and 2,155.91 is: 3,233.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.80 : 9,473.15 = 2,155.91 : x
  2. Step 2: Convert to fraction form
    6,315.80/9,473.15 = 2,155.91/x
  3. Step 3: Cross multiply
    6,315.80x = 9,473.15 × 2,155.91
  4. Step 4: Simplify right side
    6,315.80x = 20,423,216.84
  5. Step 5: Solve for x
    x = 20,423,216.84/6,315.80
  6. Step 6: Final answer
    x = 3,233.67

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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.