Home / 4,077.40-6,117.12-1,155.64

Finding the Fourth Proportional to 4,077.40, 6,117.12 and 1,155.64

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Solution

The fourth proportional to 4,077.40, 6,117.12 and 1,155.64 is: 1,733.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.40 : 6,117.12 = 1,155.64 : x
  2. Step 2: Convert to fraction form
    4,077.40/6,117.12 = 1,155.64/x
  3. Step 3: Cross multiply
    4,077.40x = 6,117.12 × 1,155.64
  4. Step 4: Simplify right side
    4,077.40x = 7,069,188.56
  5. Step 5: Solve for x
    x = 7,069,188.56/4,077.40
  6. Step 6: Final answer
    x = 1,733.75

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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.