Home / 7,474.36-10,312.15-4,823.53

Finding the Fourth Proportional to 7,474.36, 10,312.15 and 4,823.53

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Solution

The fourth proportional to 7,474.36, 10,312.15 and 4,823.53 is: 6,654.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.36 : 10,312.15 = 4,823.53 : x
  2. Step 2: Convert to fraction form
    7,474.36/10,312.15 = 4,823.53/x
  3. Step 3: Cross multiply
    7,474.36x = 10,312.15 × 4,823.53
  4. Step 4: Simplify right side
    7,474.36x = 49,740,964.89
  5. Step 5: Solve for x
    x = 49,740,964.89/7,474.36
  6. Step 6: Final answer
    x = 6,654.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.