Home / 6,647.10-9,970.65-3,135.95

Finding the Fourth Proportional to 6,647.10, 9,970.65 and 3,135.95

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Solution

The fourth proportional to 6,647.10, 9,970.65 and 3,135.95 is: 4,703.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647.10 : 9,970.65 = 3,135.95 : x
  2. Step 2: Convert to fraction form
    6,647.10/9,970.65 = 3,135.95/x
  3. Step 3: Cross multiply
    6,647.10x = 9,970.65 × 3,135.95
  4. Step 4: Simplify right side
    6,647.10x = 31,267,484.79
  5. Step 5: Solve for x
    x = 31,267,484.79/6,647.10
  6. Step 6: Final answer
    x = 4,703.93

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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.