Home / 7,608.20-11,386.37-6,377.00

Finding the Fourth Proportional to 7,608.20, 11,386.37 and 6,377.00

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Solution

The fourth proportional to 7,608.20, 11,386.37 and 6,377.00 is: 9,543.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,608.20 : 11,386.37 = 6,377.00 : x
  2. Step 2: Convert to fraction form
    7,608.20/11,386.37 = 6,377.00/x
  3. Step 3: Cross multiply
    7,608.20x = 11,386.37 × 6,377.00
  4. Step 4: Simplify right side
    7,608.20x = 72,610,840.50
  5. Step 5: Solve for x
    x = 72,610,840.50/7,608.20
  6. Step 6: Final answer
    x = 9,543.77

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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.