Home / 4,260.37-6,389.95-1,337.76

Finding the Fourth Proportional to 4,260.37, 6,389.95 and 1,337.76

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Solution

The fourth proportional to 4,260.37, 6,389.95 and 1,337.76 is: 2,006.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.37 : 6,389.95 = 1,337.76 : x
  2. Step 2: Convert to fraction form
    4,260.37/6,389.95 = 1,337.76/x
  3. Step 3: Cross multiply
    4,260.37x = 6,389.95 × 1,337.76
  4. Step 4: Simplify right side
    4,260.37x = 8,548,219.51
  5. Step 5: Solve for x
    x = 8,548,219.51/4,260.37
  6. Step 6: Final answer
    x = 2,006.45

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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.