Home / 4,077.07-6,115.61-1,155.40

Finding the Fourth Proportional to 4,077.07, 6,115.61 and 1,155.40

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Solution

The fourth proportional to 4,077.07, 6,115.61 and 1,155.40 is: 1,733.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.07 : 6,115.61 = 1,155.40 : x
  2. Step 2: Convert to fraction form
    4,077.07/6,115.61 = 1,155.40/x
  3. Step 3: Cross multiply
    4,077.07x = 6,115.61 × 1,155.40
  4. Step 4: Simplify right side
    4,077.07x = 7,065,975.79
  5. Step 5: Solve for x
    x = 7,065,975.79/4,077.07
  6. Step 6: Final answer
    x = 1,733.10

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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.