Home / 4,077.72-6,114.70-1,303.78

Finding the Fourth Proportional to 4,077.72, 6,114.70 and 1,303.78

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Solution

The fourth proportional to 4,077.72, 6,114.70 and 1,303.78 is: 1,955.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.72 : 6,114.70 = 1,303.78 : x
  2. Step 2: Convert to fraction form
    4,077.72/6,114.70 = 1,303.78/x
  3. Step 3: Cross multiply
    4,077.72x = 6,114.70 × 1,303.78
  4. Step 4: Simplify right side
    4,077.72x = 7,972,223.57
  5. Step 5: Solve for x
    x = 7,972,223.57/4,077.72
  6. Step 6: Final answer
    x = 1,955.07

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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.