Home / 4,054.32-6,079.32-1,420.56

Finding the Fourth Proportional to 4,054.32, 6,079.32 and 1,420.56

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Solution

The fourth proportional to 4,054.32, 6,079.32 and 1,420.56 is: 2,130.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,054.32 : 6,079.32 = 1,420.56 : x
  2. Step 2: Convert to fraction form
    4,054.32/6,079.32 = 1,420.56/x
  3. Step 3: Cross multiply
    4,054.32x = 6,079.32 × 1,420.56
  4. Step 4: Simplify right side
    4,054.32x = 8,636,038.82
  5. Step 5: Solve for x
    x = 8,636,038.82/4,054.32
  6. Step 6: Final answer
    x = 2,130.08

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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.