Home / 7,070.48-9,761.76-4,836.08

Finding the Fourth Proportional to 7,070.48, 9,761.76 and 4,836.08

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Solution

The fourth proportional to 7,070.48, 9,761.76 and 4,836.08 is: 6,676.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.48 : 9,761.76 = 4,836.08 : x
  2. Step 2: Convert to fraction form
    7,070.48/9,761.76 = 4,836.08/x
  3. Step 3: Cross multiply
    7,070.48x = 9,761.76 × 4,836.08
  4. Step 4: Simplify right side
    7,070.48x = 47,208,652.30
  5. Step 5: Solve for x
    x = 47,208,652.30/7,070.48
  6. Step 6: Final answer
    x = 6,676.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.