Home / 6,085.40-9,116.22-5,307.80

Finding the Fourth Proportional to 6,085.40, 9,116.22 and 5,307.80

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Solution

The fourth proportional to 6,085.40, 9,116.22 and 5,307.80 is: 7,951.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,085.40 : 9,116.22 = 5,307.80 : x
  2. Step 2: Convert to fraction form
    6,085.40/9,116.22 = 5,307.80/x
  3. Step 3: Cross multiply
    6,085.40x = 9,116.22 × 5,307.80
  4. Step 4: Simplify right side
    6,085.40x = 48,387,072.52
  5. Step 5: Solve for x
    x = 48,387,072.52/6,085.40
  6. Step 6: Final answer
    x = 7,951.34

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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.