Home / 4,915.04-7,373.70-1,628.40

Finding the Fourth Proportional to 4,915.04, 7,373.70 and 1,628.40

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Solution

The fourth proportional to 4,915.04, 7,373.70 and 1,628.40 is: 2,442.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.04 : 7,373.70 = 1,628.40 : x
  2. Step 2: Convert to fraction form
    4,915.04/7,373.70 = 1,628.40/x
  3. Step 3: Cross multiply
    4,915.04x = 7,373.70 × 1,628.40
  4. Step 4: Simplify right side
    4,915.04x = 12,007,333.08
  5. Step 5: Solve for x
    x = 12,007,333.08/4,915.04
  6. Step 6: Final answer
    x = 2,442.98

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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.