Home / 4,089.38-6,133.46-1,315.70

Finding the Fourth Proportional to 4,089.38, 6,133.46 and 1,315.70

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Solution

The fourth proportional to 4,089.38, 6,133.46 and 1,315.70 is: 1,973.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.38 : 6,133.46 = 1,315.70 : x
  2. Step 2: Convert to fraction form
    4,089.38/6,133.46 = 1,315.70/x
  3. Step 3: Cross multiply
    4,089.38x = 6,133.46 × 1,315.70
  4. Step 4: Simplify right side
    4,089.38x = 8,069,756.08
  5. Step 5: Solve for x
    x = 8,069,756.08/4,089.38
  6. Step 6: Final answer
    x = 1,973.35

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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.