Home / 6,077.50-9,116.70-2,379.40

Finding the Fourth Proportional to 6,077.50, 9,116.70 and 2,379.40

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Solution

The fourth proportional to 6,077.50, 9,116.70 and 2,379.40 is: 3,569.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,077.50 : 9,116.70 = 2,379.40 : x
  2. Step 2: Convert to fraction form
    6,077.50/9,116.70 = 2,379.40/x
  3. Step 3: Cross multiply
    6,077.50x = 9,116.70 × 2,379.40
  4. Step 4: Simplify right side
    6,077.50x = 21,692,275.98
  5. Step 5: Solve for x
    x = 21,692,275.98/6,077.50
  6. Step 6: Final answer
    x = 3,569.28

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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.