Home / 4,663.89-6,980.67-3,430.98

Finding the Fourth Proportional to 4,663.89, 6,980.67 and 3,430.98

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Solution

The fourth proportional to 4,663.89, 6,980.67 and 3,430.98 is: 5,135.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,663.89 : 6,980.67 = 3,430.98 : x
  2. Step 2: Convert to fraction form
    4,663.89/6,980.67 = 3,430.98/x
  3. Step 3: Cross multiply
    4,663.89x = 6,980.67 × 3,430.98
  4. Step 4: Simplify right side
    4,663.89x = 23,950,539.16
  5. Step 5: Solve for x
    x = 23,950,539.16/4,663.89
  6. Step 6: Final answer
    x = 5,135.31

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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.