Home / 7,898.10-10,895.45-4,709.15

Finding the Fourth Proportional to 7,898.10, 10,895.45 and 4,709.15

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Solution

The fourth proportional to 7,898.10, 10,895.45 and 4,709.15 is: 6,496.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.10 : 10,895.45 = 4,709.15 : x
  2. Step 2: Convert to fraction form
    7,898.10/10,895.45 = 4,709.15/x
  3. Step 3: Cross multiply
    7,898.10x = 10,895.45 × 4,709.15
  4. Step 4: Simplify right side
    7,898.10x = 51,308,312.06
  5. Step 5: Solve for x
    x = 51,308,312.06/7,898.10
  6. Step 6: Final answer
    x = 6,496.28

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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.