Home / 6,718.32-10,077.45-2,557.35

Finding the Fourth Proportional to 6,718.32, 10,077.45 and 2,557.35

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Solution

The fourth proportional to 6,718.32, 10,077.45 and 2,557.35 is: 3,836.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.32 : 10,077.45 = 2,557.35 : x
  2. Step 2: Convert to fraction form
    6,718.32/10,077.45 = 2,557.35/x
  3. Step 3: Cross multiply
    6,718.32x = 10,077.45 × 2,557.35
  4. Step 4: Simplify right side
    6,718.32x = 25,771,566.76
  5. Step 5: Solve for x
    x = 25,771,566.76/6,718.32
  6. Step 6: Final answer
    x = 3,836.01

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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.