Home / 6,315.12-9,462.96-3,715.20

Finding the Fourth Proportional to 6,315.12, 9,462.96 and 3,715.20

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Solution

The fourth proportional to 6,315.12, 9,462.96 and 3,715.20 is: 5,567.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.12 : 9,462.96 = 3,715.20 : x
  2. Step 2: Convert to fraction form
    6,315.12/9,462.96 = 3,715.20/x
  3. Step 3: Cross multiply
    6,315.12x = 9,462.96 × 3,715.20
  4. Step 4: Simplify right side
    6,315.12x = 35,156,788.99
  5. Step 5: Solve for x
    x = 35,156,788.99/6,315.12
  6. Step 6: Final answer
    x = 5,567.08

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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.