Home / 4,867.30-7,307.70-3,123.10

Finding the Fourth Proportional to 4,867.30, 7,307.70 and 3,123.10

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Solution

The fourth proportional to 4,867.30, 7,307.70 and 3,123.10 is: 4,688.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.30 : 7,307.70 = 3,123.10 : x
  2. Step 2: Convert to fraction form
    4,867.30/7,307.70 = 3,123.10/x
  3. Step 3: Cross multiply
    4,867.30x = 7,307.70 × 3,123.10
  4. Step 4: Simplify right side
    4,867.30x = 22,822,677.87
  5. Step 5: Solve for x
    x = 22,822,677.87/4,867.30
  6. Step 6: Final answer
    x = 4,688.98

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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.