Home / 6,315.28-9,468.60-4,089.04

Finding the Fourth Proportional to 6,315.28, 9,468.60 and 4,089.04

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Solution

The fourth proportional to 6,315.28, 9,468.60 and 4,089.04 is: 6,130.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.28 : 9,468.60 = 4,089.04 : x
  2. Step 2: Convert to fraction form
    6,315.28/9,468.60 = 4,089.04/x
  3. Step 3: Cross multiply
    6,315.28x = 9,468.60 × 4,089.04
  4. Step 4: Simplify right side
    6,315.28x = 38,717,484.14
  5. Step 5: Solve for x
    x = 38,717,484.14/6,315.28
  6. Step 6: Final answer
    x = 6,130.76

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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.