Home / 4,688.30-7,027.65-2,605.10

Finding the Fourth Proportional to 4,688.30, 7,027.65 and 2,605.10

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Solution

The fourth proportional to 4,688.30, 7,027.65 and 2,605.10 is: 3,904.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.30 : 7,027.65 = 2,605.10 : x
  2. Step 2: Convert to fraction form
    4,688.30/7,027.65 = 2,605.10/x
  3. Step 3: Cross multiply
    4,688.30x = 7,027.65 × 2,605.10
  4. Step 4: Simplify right side
    4,688.30x = 18,307,731.02
  5. Step 5: Solve for x
    x = 18,307,731.02/4,688.30
  6. Step 6: Final answer
    x = 3,904.98

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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.