Home / 6,777.87-10,159.51-4,430.49

Finding the Fourth Proportional to 6,777.87, 10,159.51 and 4,430.49

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Solution

The fourth proportional to 6,777.87, 10,159.51 and 4,430.49 is: 6,640.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,777.87 : 10,159.51 = 4,430.49 : x
  2. Step 2: Convert to fraction form
    6,777.87/10,159.51 = 4,430.49/x
  3. Step 3: Cross multiply
    6,777.87x = 10,159.51 × 4,430.49
  4. Step 4: Simplify right side
    6,777.87x = 45,011,607.46
  5. Step 5: Solve for x
    x = 45,011,607.46/6,777.87
  6. Step 6: Final answer
    x = 6,640.97

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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.