Home / 8,948.49-12,349.17-4,915.50

Finding the Fourth Proportional to 8,948.49, 12,349.17 and 4,915.50

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Solution

The fourth proportional to 8,948.49, 12,349.17 and 4,915.50 is: 6,783.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.49 : 12,349.17 = 4,915.50 : x
  2. Step 2: Convert to fraction form
    8,948.49/12,349.17 = 4,915.50/x
  3. Step 3: Cross multiply
    8,948.49x = 12,349.17 × 4,915.50
  4. Step 4: Simplify right side
    8,948.49x = 60,702,345.14
  5. Step 5: Solve for x
    x = 60,702,345.14/8,948.49
  6. Step 6: Final answer
    x = 6,783.53

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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.